Patent list
Patent Number Title of Patent Date of execution Date of application Date of issue Joint inventors Description
12631 Design for an Incandescent Electric Lamp 1880, 11/23 1880, 11/30 1881, 12/27
Design Patent
13940 Design for Incandescing Electric Lamp 1883, 2/13 1883, 3/16 1883, 5/29
Design Patent
40527 Design for a Phonograph Cabinet 1909, 9/08 1909, 9/13 1910, 2/22
Design Patent
42934 Design for a Cabinet 1912, 7/11 1912, 7/13 1912, 8/27
Design Patent
66227 Design for a Grille for Phonograph Cabinets 1924, 10/15 1924, 10/17 1924, 12/16
Design Patent
66228 Design for Grille for Phonograph Cabinets 1924, 10/15 1924, 10/17 1924, 12/16
Design Patent
69068 Design for a Phonograph Cabinet 1924, 10/15 1924, 10/17 1924, 12/22
Design Patent
69688 Design for a Phonograph Cabinet 1924, 10/15 1924, 10/17 1926, 3/16
Design Patent
69689 Design for a Phonograph Cabinet 1924, 10/15 1924, 10/17 1926, 3/16
Design Patent
90646 Electrographic Vote-Recorder 1868, 11/13 1868, 11/28 1869, 6/01

91527 Printing Telegraphs 1869, 1/25 1869, 2/17 1869, 6/22

96567 Printing-Telegraph Apparatus 1869, 8/17 1869, 8/27 1869, 11/09

96681 Automatic Electrical Switch 1869, 8/27 1869, 9/04 1869, 11/09

102320 Printing Telegraph Apparatus 1869, 9/16 1869, 10/27 1870, 4/26

103035 Electro-Motor Escapements 1870, 2/05 1870, 4/11 1870, 5/17

103924 Printing Telegraph Instruments 1870, 4/12 1870, 4/14 1870, 6/07 Frank L. Pope
111112 Governors for Electro Motors 1870, 6/29 1870, 7/06 1871, 1/24

113033 Printing Telegraph Apparatus 1870, 11/17 1870, 11/22 1871, 3/28

113034 Printing Telegraph Apparatus 1871, 1/10 1871, 1/14 1871, 3/28

114656 Telegraphic Transmitting Instruments 1870, 6/22 1870, 6/28 1871, 5/09

114657 Relay Magnets for Telegraph Instruments 1870, 9/06 1870, 9/21 1871, 5/09

114658 Electro-Magnets for Telegraph Instruments 1870, 6/22 1870, 6/28 1871, 5/09

121601 Machinery for Perforating Paper for Telegraph Pump 1871, 8/16 1871, 8/18 1871, 12/05

123005 Telegraph Apparatus 1871, 7/26 1871, 8/04 1872, 1/23

123006 Printing Telegraphs 1871, 7/26 1871, 8/04 1872, 1/23

123984 Telegraph Apparatus 1871, 7/26 1871, 8/04 1872, 1/23

124800 Telegraph Recording Instruments 1871, 8/12 1871, 8/18 1872, 3/19

126528 Type Wheels for Printing Telegraphs 1872, 1/23 1872, 1/30 1872, 5/07

126529 Type Wheels for Printing Telegraphs 1872, 1/23 1872, 1/30 1872, 5/07

126530 Printing Telegraphs 1872, 2/14 1872, 2/19 1872, 5/07

126531 Printing Telegraphs 1872, 1/17 1872, 1/22 1872, 5/07

126532 Printing Telegraphs 1872, 1/03 1872, 1/12 1872, 5/07

126533 Printing Telegraphs 1872, 2/14 1872, 2/19 1872, 5/07

126534 Printing Telegraphs 1872, 1/17 1872, 1/12 1872, 5/07

126535 Printing Telegraphs 1871, 11/13 1871, 11/18 1872, 5/07

128131 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 6/18

128604 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02

128605 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02

128606 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02

128607 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02

128608 Printing Telegraph Instruments 1870, 5/24 1870, 5/27 1872, 7/02

130795 Electro Magnets 1872, 5/09 1872, 6/06 1872, 8/27

131334 Rheotomes or Circuit-Directors 1872, 5/06 1872, 6/06 1872, 9/17

131335 Printing Telegraphs 1872, 6/15 1872, 7/09 1872, 9/17

131336 Printing Telegraphs 1872, 6/15 1872, 7/09 1872, 9/17

131337 Printing Telegraphs 1872, 6/10 1872, 7/09 1872, 9/17

131338 Printing Telegraphs 1872, 6/29 1872, 7/09 1872, 9/17

131339 Printing Telegraphs 1872, 6/29 1872, 7/09 1872, 9/17

131340 Printing Telegraphs 1872, 6/10 1872, 7/09 1872, 9/17

131341 Printing Telegraph Instruments 1872, 5/28 1872, 6/06 1872, 9/17

131342 Printing Telegraph Instruments 1872, 5/09 1872, 6/06 1872, 9/17

131343 Transmitters and Circuits for Printing Telegraphs 1872, 6/10 1872, 7/09 1872, 9/17

131344 Unison-Stops for Printing Telegraphs 1872, 6/29 1872, 7/09 1872, 9/17

132455 Paper for Chemical Telegraphs 1872, 4/10 1872, 4/16 1872, 10/22

132456 Apparatus for Perforating Paper for Telegraph Use 1872, 3/15 1872, 3/22 1872, 10/22

133019 Electrical Printing Machines 1872, 4/18 1872, 4/25 1872, 11/12

133841 Type Writing Machines 1871, 11/13 1871, 11/18 1872, 12/10

134866 Printing Telegraph Instruments 1872, 10/16 1872, 10/22 1873, 1/14

134867 Automatic Telegraph Instruments 1872, 5/08 1872, 6/06 1873, 1/14

134868 Electro-Magnetic Adjusters 1872, 5/08 1872, 6/06 1873, 1/14

135531 Circuits for Chemical Telegraphs 1872, 11/09 1872, 11/11 1873, 2/04

138869 Printing Telegraphs 1872, 10/16 1872, 10/22 1873, 5/13

138870 Printing Telegraphs 1873, 3/07 1873, 3/13 1873, 5/13

139128 Printing Telegraphs 1873, 1/21 1873, 2/18 1873, 5/20

139129 Printing Telegraphs 1873, 2/13 1873, 2/18 1873, 5/20

140487 Printing Telegraphs 1873, 2/13 1873, 2/18 1873, 7/01

140488 Printing Telegraphs 1873, 4/23 1873, 5/16 1873, 7/01

140489 Circuits for Printing Telegraphs 1873, 2/13 1873, 2/18 1873, 7/01

141772 Circuits for Automatic or Chemical Telegraphs 1872, 11/05 1872, 11/09 1873, 8/12

141773 Circuits for Automatic Telegraphs 1872, 12/12 1873, 1/15 1873, 8/12

141774 Chemical Telegraphs 1873, 3/07 1873, 3/13 1873, 8/12

141775 Perforators for Automatic Telegraphs 1873, 3/07 1873, 3/13 1873, 8/12

141776 Circuits for Automatic Telegraphs 1872, 12/12 1873, 1/15 1873, 8/12

141777 Relay Magnets 1873, 3/07 1873, 3/13 1873, 8/12

142688 Electrical Regulators for Transmitting Instruments 1873, 3/07 1873, 3/13 1873, 9/09

142999 Galvanic Batteries 1872, 10/31 1872, 11/05 1873, 9/23

146812 Telegraph Signal Boxes 1872, 11/26 1872, 12/03 1874, 1/27

147311 Electric Telegraphs 1873, 4/23 1873, 7/29 1874, 2/10

147312 Perforators for Automatic Telegraphy 1873, 3/24 1873, 7/29 1874, 2/10

147313 Chemical Telegraphs 1873, 4/23 1873, 7/29 1875, 3/02

147314 Circuits for Chemical Telegraphs 1873, 3/24 1873, 7/29 1874, 2/10

147917 Duplex Telegraphs 1873, 4/23 1873, 6/27 1874, 2/24

150846 Telegraph Relays 1873, 4/23 1873, 6/27 1874, 5/12

150847 Receiving Instruments for Chemical Telegraphs 1873, 3/24 1873, 7/29 1874, 3/12

150848 Chemical or Automatic Telegraphs 1872, 12/12 1873, 1/15 1874, 5/12

151209 Automatic Telegraphy and in Perforators Therefor 1873, 8/25 1873, 9/02 1874, 5/26

154788 District Telegraph Signal-Boxes 1874, 4/2 1874, 5/11 1874, 9/08

156843 Duplex Chemical Telegraphs 1873, 3/07 1873, 3/13 1874, 11/17

158787 Telegraph Apparatus 1874, 8/07 1874, 8/13 1875, 1/19

160402 Solutions for Chemical Telegraph Paper 1873, 9/29 1874, 6/01 1875, 3/02

160403 Solutions for Chemical Telegraph Paper 1873, 10/29 1874, 6/01 1875, 3/02

160404 Solutions for Chemical Telegraph Paper 1873, 9/29 1874, 6/01 1875, 3/02

160405 Adjustable Electro-magnets For Relays etc. 1873, 4/23 1873, 7/29 1875, 3/02

160580 Solutions for Chemical Telegraph Paper 1873, 10/14 1874, 6/01 1875, 3/09

162633 Duplex Telegraphs 1873, 4/22 1873, 4/26 1875, 4/27

166859 Chemical Telegraphy 1874, 6/01 1874, 7/25 1875, 8/17

166860 Chemical Telegraphy 1874, 6/01 1874, 7/25 1875, 8/17

166861 Chemical Telegraphy 1874, 6/01 1874, 7/25 1875, 8/17

168004 Printing Telegraphs 1874, 5/22 1874, 6/01 1875, 9/21

168242 Transmitters and Receivers for Automatic Telegraph 1875, 1/18 1875, 1/26 1875, 9/28

168243 Automatic Telegraphs 1875, 1/18 1875, 1/26 1875, 9/28

168385 Duplex Telegraphs 1875, 1/18 1875, 1/26 1875, 10/05

168465 Solutions for Chemical Telegraph 1874, 8/14 1875, 1/15 1875, 10/05

168466 Solutions for Chemical Telegraph 1875, 1/18 1875, 1/26 1875, 10/05

168467 Recording Points for Chemical Telegraphs 1875, 1/18 1875, 1/18 1875, 10/05

169972 Electric Signaling Instrument 1875, 2/24 1875, 3/23 1875, 11/16 Chas. Batchelor
171273 Telegraph Apparatus 1875, 2/11 1875, 2/16 1875, 12/21

172305 Automatic Roman-Character Telegraphs 1874, 8/07 1875, 1/15 1876, 1/18

173708 Automatic Telegraphy 1874, 8/07 1875, 1/15 1876, 2/22

178221 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 5/30

178222 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 5/30

178223 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 5/30

180857 Autographic Printing 1876, 3/07 1876, 3/13 1876, 8/08

180858 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 8/08

182996 Acoustic Telegraphs 1876, 5/09 1876, 5/16 1876, 10/10

185507 Electro-Harmonic Multiplex Telegraphs 1876, 8/16 1876, 8/31 1876, 12/19

186330 Acoustic Electric Telegraphs 1876, 5/09 1876, 5/16 1877, 1/16

186548 Telegraphic Alarm and Signal Apparatus 1876, 5/09 1876, 5/18 1877, 1/23

195751 Automatic Telegraphs 1875, 1/18 1875, 1/27 1877, 10/02

195752 Automatic Telegraphs 1875, 1/19 1875, 1/27 1877, 10/02

196747 Stencil-Pens 1877, 4/18 1877, 4/23 1877, 11/06

198087 Telephonic Telegraphs 1876, 5/09 1876, 5/16 1877, 12/11

198088 Telephonic Telegraphs 1876, 4/03 1876, 4/06 1877, 12/11

198098 Telephonic or Electro-Harmonic Telegraphs 1876, 4/03 1876, 4/06 1877, 12/11

200032 Synchronous Movements for Electric Telegraphs 1876, 10/30 1876, 11/11 1878, 2/05

200521 Phonographs or Speaking Machines 1877, 12/15 1877, 12/24 1878, 2/19

200993 Acoustic Telegraphs 1876, 8/26 1876, 9/18 1878, 3/05

200994 Automatic Telegraph Perforator and Transmitter 1876, 10/30 1876, 11/11 1879, 3/05

201760 Speaking Machines 1878, 2/28 1878, 3/04 1878, 3/26

203013 Speaking Telegraph 1877, 12/08 1877, 12/13 1878, 4/30

203014 Speaking Telegraphs 1877, 7/16 1877, 7/20 1878, 4/30

203015 Speaking Telegraphs 1877, 8/16 1877, 8/28 1878, 8/30

203016 Speaking Telephones 1878, 2/28 1878, 3/07 1878, 4/30

203017 Telephone Call-Signal 1878, 2/28 1878, 3/04 1878, 4/30

203018 Telephones or Speaking Telegraphs 1877, 12/08 1877, 12/13 1878, 4/30

203019 Circuits for Acoustic or Telephonic Telegraphs 1878, 2/13 1878, 2/21 1878, 4/30

203329 Perforating Pens 1877, 4/18 1877, 4/23 1878, 5/07

205370 Pneumatic Stencil-Pens 1877, 3/03 1877, 3/26 1878, 6/25

207723 Duplex Telegraphs 1874, 8/19 1874, 9/01 1878, 9/03

207724 Duplex Telegraphs 1874, 12/14 1874, 12/28 1878, 9/03

208299 Speaking Telephones 1877, 7/16 1877, 7/20 1878, 9/24

209241 Quadruplex-Telegraph Repeaters 1875, 2/24 1875, 3/23 1878, 10/22

210767 Vocal Engines 1878, 8/31 1878, 11/27 1878, 12/10

212631 Design for an Incandescent Electric Lamp 1880, 11/23 1880, 11/30 1881, 12/27

213554 Automatic Telegraph 1877, 2/03 1877, 3/26 1879, 3/25

214636 Electric Lights 1878, 10/05 1878, 10/14 1879, 4/22

214637 Thermal Regulators for Electric Lights 1878, 11/14 1878, 11/18 1879, 4/22

217781 Sextuplex Telegraphs 1877, 5/08 1877, 5/14 1879, 7/22

217782 Duplex Telegraphs 1878, 11/11 1878, 11/14 1879, 7/22

218166 Magneto-Electric Machines 1878, 12/03 1878, 12/09 1879, 8/05

218167 Apparatus for Electric Lights 1878, 12/31 1879, 1/10 1879, 8/05

218866 Electric Lighting Apparatus 1878, 12/03 1878, 12/09 1879, 8/26

219393 Dynamo-Electric Machines 1879, 7/07 1879, 7/10 1880, 8/31

219628 Electric Lights 1878, 12/03 1878, 12/09 1879, 9/16

221957 Telephones 1879, 3/24 1879, 3/31 1879, 11/25

222390 Carbon Telephones 1878, 11/08 1878, 11/11 1879, 12/09

222881 Magneto Electric Machines 1879, 9/04 1879, 9/10 1879, 12/23

224329 Electric Lighting Apparatus 1879, 1/23 1879, 2/03 1880, 2/10

224665 Autographic Stencils for Printing 1879, 3/10 1879, 3/17 1880, 2/17

227226 Safety-Conductor for Electric Lights 1880, 3/10 1880, 3/25 1880, 5/04

227227 Electric Light 1879, 2/06 1879, 2/10 1880, 5/04

227228 Electric Light 1879, 1/28 1879, 2/03 1880, 5/04

227229 Electric Light 1879, 4/12 1879, 4/12 1880, 5/04

227679 Phonograph 1879, 3/19 1879, 3/29 1880, 5/18

228329 Magnetic Ore-Separator 1880, 4/03 1880, 4/07 1880, 6/01

228617 Brake for Electro-Magneto Motors 1880, 3/10 1880, 3/20 1881, 1/08

230255 Method of Manufacturing Electric Lamps 1880, 1/28 1880, 2/05 1880, 7/20

230621 Addressing Machine 1877, 5/08 1877, 5/14 1880, 8/03

231704 Electro-Chemical Receiving Telephone 1879, 8/01 1879, 8/06 1882, 10/17

223898 Electric Lamp 1879, 11/01 1879, 11/04 1880, 1/20

235142 Acoustic Telegraph 1876, 8/26 1876, 9/30 1880, 12/07

237732 Electric Light 1880, 6/15 1880, 6/30 1881, 2/15

238098 Magneto Signal Apparatus 1880, 10/21 1880, 11/11 1881, 2/22 Edward H. Johnson
238868 Manufacture of Carbons for Incandescent Electric Lamps 1880, 4/25 1880, 5/24 1881, 3/15

239147 System of Electric Lighting 1880, 7/31 1880, 8/09 1881, 3/02

239148 Treating Carbons for Electric Lamps 1880, 10/15 1880, 10/30 1881, 3/02

239149 Incandescing Electric Lamp 1880, 12/03 1880, 12/15 1881, 3/02

239150 Electric Lamps 1880, 7/27 1880, 8/06 1881, 3/02

239151 Method of Forming Enlarged Ends on Carbon Filament 1880, 11/19 1880, 11/24 1881, 3/02

239152 System of Electric Lighting 1880, 10/14 1880, 10/30 1881, 3/02

239153 Electric Lamp 1880, 8/11 1880, 8/27 1881, 3/02

239154 Relay for Telegraph 1880, 12/11 1880, 12/14 1881, 3/02

239372 Testing Electric Light Carbons 1880, 7/28 1880, 8/09 1881, 3/29 Charles Batchelor
239374 Regulating the Generation of Electric Currents 1880, 12/16 1881, 1/11 1881, 3/29

239745 Electric Lamp 1880, 8/07 1880. 8/17 1881, 4/05

240678 Webermeter 1880, 9/22 1880, 10/07 1881, 4/26

242896 Incandescent Electric Lamp 1880, 12/03 1880, 12/15 1881, 6/14

242897 Incandescent Electric Lamp 1880, 12/03 1880, 12/15 1881, 6/14

242898 Magneto or Dynamo Electric Machine 1880, 12/11 1880, 12/15 1881, 6/14

242899 Electric Lighting 1881, 1/19 1881, 1/26 1881, 6/14

242900 Manufacturing Carbons for Electric Lamps 1880, 10/21 1880, 11/11 1881, 6/14

242901 Electric Meter 1881, 2/24 1881, 3/03 1881, 6/14

248416 Manufacture of Carbons for Electric Lamps 1880, 12/30 1881, 1/11 1881, 10/18

248417 Manufacturing Carbons for Electric Lights` 1880, 6/15 1880, 6/30 1881, 10/18

248418 Electric Lamp 1881, 1/19 1881, 1/31 1881, 10/18

248419 Electric Lamp 1881, 3/30 1881, 4/15 1881, 10/18

248420 Fixture and Attachment for Electric Lamps 1881, 3/07 1881, 3/26 1881, 10/18

248421 Current Regulator for Dynamo Electric Machines 1881, 2/25 1881, 3/05 1881, 10/18

248422 System of Electric Lighting 1881, 1/20 1881, 1/31 1881, 10/18

248423 Carbonizer 1880, 7/30 1880, 8/11 1881, 10/18

248424 Fitting and Fixture for Electric Lamps 1881, 3/08 1881, 3/26 1881, 10/18

248425 Apparatus for Producing High Vacuums 1880, 1/28 1880, 3/29 1881, 10/18

248426 Apparatus for Treating Carbons for Electric Lamps 1880, 11/05 1880, 11/24 1881, 10/18

248427 Apparatus for Treating Carbons for Electric Lamps 1880, 12/21 1881, 1/11 1881, 10/18

248428 Manufacture of Incandescent Electric Lamps 1880, 12/16 1881, 1/11 1881, 10/18

248429 Electric Motor 1881, 2/24 1881, 3/03 1881, 10/18

248430 Electro-Magnetic Brake 1880, 7/02 1880, 7/22 1881, 10/18

248431 Preserving Fruit 1880, 12/11 1880, 12/14 1881, 10/18

248432 Magnetic Separator 1880, 7/26 1880, 8/06 1880, 10/18

248433 Vacuum Apparatus 1881, 1/19 1881, 1/31 1881, 10/18

248434 Governor for Electric Engines 1880, 7/31 1880, 8/09 1881, 10/18

248435 Utilizing Electricity as a Motive power 1880, 8/12 1880, 9/01 1881, 10/18

248436 Depositing Cell for Plating the Connections of Electric Lamps 1881, 5/17 1881, 5/27 1881, 10/18

248437 Apparatus for Treating Carbons for Electric Lamps 1880, 12/21 1881, 1/11 1881, 10/18

248565 Webermeter 1880, 12/03 1880, 12/15 1881, 10/18

251242 System of Electric Lighting 1881, 4/19 1881, 4/26 1881, 12/27

251536 Vacuum Pump 1881, 12/05 1881, 12/09 1881, 12/27

251537 Dynamo-Electric Machine 1881, 6/25 1881, 8/30 1881, 12/27

251538 Electric Light 1881, 5/27 1881, 5/28 1881, 12/27

251539 Electric Lamp 1881, 5/17 1881, 5/27 1881, 12/27

251540 Carbon for Electric Lamps 1880, 7/28 1880, 8/06 1881, 12/27

251541 Electro-Magnetic Motor 1881, 5/20 1881, 5/31 1881, 12/27

251543 Electric Lamp 1881, 5/24 1881, 8/30 1881, 12/27

251544 Manufacture of Electric Lamps 1881, 5/20 1881, 6/22 1881, 12/27

251545 Electric Meter 1880, 3/10 1880, 3/20 1881, 12/27

251546 Electric Lamp 1880, 8/10 1880, 8/17 1881, 12/27

251547 Electrical Governor 1881, 6/02 1881, 6/24 1881, 12/27

251548 Incandescent Electric Lamp 1881, 1/19 1881, 1/31 1881, 12/27

251549 Electric Lamp and the Manufacture Thereof 1881, 5/20 1881, 5/31 1881, 12/27

251550 Magneto or Dynamo Electric Machine 1881, 2/26 1881, 3/03 1881, 12/27

251551 System of Electric Lighting 1881, 5/21 1881, 8/30 1881, 12/27

251552 Underground Conductors 1881, 4/22 1881, 4/26 188, 12/27

251553 Electric Chandelier 1881, 3/07 1881, 3/26 1881, 12/27

251554 Electric Lamp and Socket or Holder 1881, 3/07 1881, 3/26 1881, 12/27

251555 Regulator for Dynamo-Electric Machines 1881, 2/26 1881, 5/05 1881, 12/27

251556 Regulator for Magneto or Dynamo Electric Machines 1880, 10/21 1880, 10/30 1881, 12/27

251557 Webermeter 1881, 5/19 1881, 5/27 1881, 12/27

251558 Webermeter 1881, 5/20 1881, 8/30 1881, 12/27

251559 Electrical Drop-Light 1881, 10/25 1881, 11/11 1881, 12/27

252442 Telephone 1879, 8/04 1879, 8/06 1882, 1/17

257677 Telephone 1881, 9/07 1881, 10/17 1882, 5/09

263131 Magnetic Ore-Separator 1881, 6/04 1881, 6/22 1882, 8/22

263132 Electro-Magnetic Railway 1880, 8/14 1880, 8/19 1882, 8/22

263133 Dynamo or Magneto Electric Machine 1881, 8/24 1881, 11/11 1882, 8/22

263134 Regulator for Dynamo or Magneto Electric Machines 1881, 5/19 1881, 5/28 1882, 8/22

263135 Electric Lamp 1880, 8/07 1880. 8/17 1882, 8/22

263136 Regulator for Dynamo or Magneto Electric Machines 1881, 5/17 1881, 5/27 1881, 8/22

263137 Electric Chandelier 1881, 5/21 1881, 8/30 1882, 8/22

263138 Electric-Arc Light 1881, 11/07 1881, 11/28 1882, 8/22

263139 Manufacture of Carbons for Electric Lamps 1880, 7/28 1880, 8/06 1882, 8/22

263140 Dynamo-Electric Machine 1880, 7/30 1880, 8/09 1882, 8/22

263141 Straightening Carbons of Electric Incandescent Lamps 1881, 5/21 1881, 6/24 1882, 8/22

263142 Electrical Distribution System 1881, 8/24 1881, 10/04 1882, 8/22

263143 Magneto or Dynamo Electric Machine 1881, 6/24 1881, 8/30 1882, 8/22

263144 Mold for Carbonizing Incandescents 1881, 9/19 1881, 11/11 1882, 8/22

263145 Process of Making Incandescents 1881, 4/19 1881, 4/26 1882, 8/22

263146 Dynamo Magneto Electric Machine 1881, 11/22 1881, 11/29 1882, 8/22

263147 Vacuum Apparatus 1881, 7/1 1881, 8/30 1882, 8/22

263148 Dynamo or Magneto Electric Machine 1881, 10/25 1881, 11/18 1882, 8/22

263149 Commutator for Dynamo or Magneto Electric Machines 1881, 7/22 1881, 10/04 1882, 8/22

263150 Magneto or Dynamo Electric Machine 1881, 6/03 1881, 6/22 1881, 8/22

263878 Electric Lamp 1880, 12/03 1880, 12/15 1882, 9/05

264642 Electric Distribution and Translation System 1880, 8/04 1880, 8/09 1882, 9/19

264643 Magneto-Electron Machine 1879, 4/21 1879, 5/12 1882, 9/19

264645 System of Conductors for the Distribution of Electricity 1880, 9/01 1880, 10/07 1882, 9/19

264646 Dynamo or Magneto Electric Machine 1881, 10/25 1881, 11/28 1882, 9/19

264647 Dynamo or Magneto Electric Machine 1881, 8/24 1881, 10/04 1882, 9/19

264648 Dynamo or Magneto Electric Machines 1881, 9/23 1881, 11/11 1882, 9/19

264649 Dynamo or Mageto Electric Machine 1880, 3/11 1880, 3/20 1882, 9/19

264650 Manufacture of Incandescing Electric Lamps 1881, 12/05 1881, 12/09 1882, 9/19

264651 Incandescent Electric Lamp 1882, 6/09 1882, 8/07 1882, 9/19

264652 Incandescent Electric Lamp 1881, 12/15 1882, 8/07 1882, 9/19

264653 Incandescent Electric Lamp 1881, 12/13 1882, 8/07 1882, 9/19

264654 Incandescent Electric Lamp 1882, 2/10 1882, 8/07 1882, 9/19

264655 Incandescing Electric Lamp 1882, 6/09 1882, 8/07 1882, 9/19

264656 Incandescent Electric Lamp 1882, 7/07 1882, 8/14 1882, 9/19

264657 Incandescent Electric Lamp 1881, 5/21 1881, 8/30 1882, 9/19

264658 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 9/19

264659 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 9/19

264660 Regulator for Dynamo-Electric Machines 1881, 12/05 1882, 8/07 1882, 9/19

264661 Regulator for Dynamo Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19

264662 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19

264663 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19

264664 Regulator for Dynamo Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19

264665 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19

264666 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19

264667 Regulator for Dynamo-Electric Machines 1882, 5/22 1882, 8/07 1882, 9/19

264668 Regulator for Dynamo-Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19

264669 Regulator for Dynamo-Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19

264670 Regulator for Dynamo-Electric Machines 1882, 6/09 1882, 8/07 1882, 9/19

264671 Regulator for Dynamo-Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19

264672 Regulator for Dynamo-Electric Machines 1882, 5/22 1882, 8/07 1882, 9/19

264673 Regulator for Dynamo-Electric Machines 1881, 11/03 1881, 11/28 1882, 8/22

265311 Electric Lamp and Holder for Same 1880, 1/28 1880, 2/05 1882, 10/03

265774 Method of Maintaining Temperature in Webermeters 1881, 9/21 1881, 11/11 1882, 10/10

265775 Electric-Arc Light 1881, 11/07 1881, 11/28 1882, 10/10

265776 Electric-Lighting System 1881, 9/27 1881, 11/11 1882, 10/10

265777 Method of Treating Carbons for Electric Lamps 1880, 12/11 1880, 12/15 1882, 10/10

265778 Electro-Magnetic Railway Engine 1880, 7/03 1880, 7/22 1882, 10/10

265779 Regulator for Dynamo Electric Machines 1882, 1/17 1882, 8/07 1882, 10/10

265780 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 10/10

265781 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 10/10

265782 Regulator for Dynamo-Electric Machines 1882, 7/07 1882, 8/14 1882, 10/10

265783 Regulator for Dynamo-Electric Machines 1882, 7/07 1882, 8/14 1882, 10/10

265784 Regulator for Dynamo-Electric Machines 1882, 7/07 1882, 8/14 1882, 10/10

265785 Dynamo-Electric Machine 1882, 7/07 1882, 8/14 1882, 10/10

265786 Apparatus for the Electrical Transmission of Power 1882, 5/22 1882, 8/07 1882, 10/10

266021 Telephone 1881, 9/07 1881, 10/17 1882, 10/17

266447 Electric Incandescent Lamp 1881, 4/21 1881, 4/26 1882, 10/24

266588 Vacuum Apparatus 1881, 11/25 1881, 12/06 1882, 10/24

266793 Electric Distribution System 1881, 10/25 1881, 12/09 1882, 10/31

268205 Dynamo or Magneto Electric Machine 1882, 5/01 1882, 5/17 1882, 11/28

268206 Incandescing Electric Lamp 1882, 10/10 1882, 10/12 1882, 11/28

271613 Manufacture of Incandescing Electric Lamps 1882, 8/25 1882, 9/13 1883, 2/06

271614 Shafting 1882, 10/19 1882, 10/20 1883, 2/06

271615 Governor for Dynamo-Electric Machines 1882, 10/19 1882, 11/09 1883, 2/06

271616 Regulator for Dynamo-Electric Machines 1882, 10/16 1882, 10/20 1883, 2/06

272034 Telephone 1882, 3/30 1882, 10/06 1883, 2/13

273485 Incandescing Electric Lamp 1882, 10/26 1882, 11/09 1883, 3/06

273486 Incandescing Electric Lamp 1882, 10/12 1882, 10/20 1883, 3/06

273487 Regulator for Dynamo-Electric Machines 1882, 9/12 1882, 9/22 1883, 3/06

273488 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1883, 3/06

273489 Turn-Table for Electric Railways 1882, 6/09 1882, 8/07 1883, 3/06

273490 Electro-Magnetic Railway System 1882, 6/09 1882, 8/07 1883, 3/06

273491 Regulator for Driving Engines of Electrical Generators 1882, 10/19 1882, 10/26 1883, 3/06

273492 Secondary Battery 1882, 5/19 1882, 6/26 1883, 3/06

273493 Valve-Gear for Electrical Generator-Engines 1882, 10/19 1882, 10/26 1883, 3/06

273494 Electrical Railroad 1882, 7/07 1882, 8/14 1883, 3/06

273714 Magneto-Electric Signaling Apparatus 1882, 8/05 1882, 8/07 1883, 3/13

273715 Art of Malleabelizing Iron 1881, 10/04 1881, 10/07 1883, 3/13

273828 System of Underground Conductors for Electrical Distribution 1882, 5/22 1882, 8/07 1883, 3/13

274290 System of Electrical Distribution 1882, 11/20 1882, 11/27 1883, 3/20

274291 Mold for Carbonizing 1882, 11/28 1882, 12/08 1883, 3/20

274292 Secondary Battery 1882, 6/03 1882, 8/07 1883, 3/20

274293 Electric Lamp 1882, 10/14 1882, 10/20 1883, 3/20

274294 Incandescing Electric Lamp 1882, 11/13 1882, 11/23 1883, 3/20

274295 Incandescent Electric Lamp 1882, 11/14 1882, 11/23 1883, 3/20

274296 Manufacture of Incandescents 1882, 7/05 1882, 8/14 1883, 3/20

274576 Transmitting Telephone 1882, 3/30 1882, 10/06 1883, 3/27

274577 Telephone 1882, 3/30 1882, 10/06 1883, 3/27

275612 Manufacture of Incandescing Electric Lamps 1882, 10/14 1882, 10/20 1883, 4/10

275613 Incandescing Electric Lamp 1882, 2/10 1882, 8/07 1883, 4/10

276232 Means for Operating and Regulating Electrical Generators 1882, 12/20 1883, 1/08 1883, 4/24

276233 Electrical Generator and Motor 1882, 11/14 1882, 11/23 1883, 4/24

278413 Regulator for Dynamo-Electric Machines 1882, 11/28 1882, 12/08 1883, 5/29

278414 Regulator for Dynamo-Electric Machines 1882, 11/28 1882, 12/08 1883, 5/29

278415 Manufacture of Incandescing Electric Lamps 1883, 1/13 1883, 1/22 1883, 5/29

278416 Manufacture of Incandescing Electric Lamps 1882, 2/28 1882, 8/07 1883, 5/29

278417 Manufacture of Incandescing Electric Lamps 1883, 1/13 1883, 1/22 1883, 5/29

278418 Apparatus for Translating Electric Currents From High to Low Tension 1882, 7/07 1882, 8/14 1883, 5/29

278419 Dynamo-Electric Machine 1881, 12/15 1882, 8/07 1883, 5/29

280727 System of Electrical Distribution 1883, 2/13 1883, 3/16 1883, 7/03

281349 Regulator for Dynamo-Electric Machines 1883, 1/13 1883, 1/22 1883, 7/17

281350 Regulator for Dynamo-Electric Machines 1882, 11/13 1882, 11/23 1883, 7/17

281351 Electrical Generator 1883, 3/05 1883, 3/16 1883, 7/17

281352 Webermeter 1881, 10/05 1881, 11/11 1883, 7/17

281353 Dynamo or Magneto Electric Machine 1882, 6/03 1882, 9/13 1883, 7/17

282287 Magneto-Electric Signaling Apparatus 1882, 8/05 1882, 8/07 1882, 7/31

283983 System of Electrical Distribution 1883, 4/05 1883, 4/17 1883, 8/28

283984 System of Electrical Distribution 1883, 3/05 1883, 3/16 1883, 8/28

283985 System of Electrical Distribution 1883, 1/13 1883, 1/22 1883, 8/28

283986 System of Electrical Distribution 1883, 1/13 1883, 1/22 1883, 8/28

287511 Electric Regulators 1883, 6/25 1883, 6/29 1883, 10/30

287512 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1883, 10/30

287513 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1883, 10/30

287514 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1883, 10/30

287515 System of Electrical Distribution 1883, 6/25 1883, 6/29 1883, 10/30

287516 System of Electrical Distribution 1883, 5/08 1883, 5/14 1883, 10/30

287517 System of Electrical Distribution 1883, 3/14 1883, 3/16 1883, 10/30

287518 Method of Manufacturing Incandescing Electric Lamps 1882, 8/25 1882, 9/13 1883, 10/30

287519 Incandescing Electric Lamp 1882, 11/28 1882, 12/08 1883, 10/30

287520 Incandescing Conductor for Electric Lamps 1882, 11/03 1882, 11/09 1883, 10/30

287521 Dynamo or Magneto Electric Machine 1883, 2/17 1883, 3/16 1883, 10/30

287522 Mold for Carbonizing 1883, 2/17 1883, 3/16 1883, 10/30

287523 Dynamo or Magneto Electric Machine 1882, 6/03 1882, 9/13 1883, 10/30

287524 Regulator for Dynamo-Electric Machines 1882, 11/28 1882, 12/08 1883, 10/30

287525 Regulator for Systems of Electrical Distribution 1882, 10/04 1882, 10/20 1883, 10/30 Charles L. Clark
288318 Regulator for Dynamo or Magneto Electric Machines 1881, 10/17 1881, 11/11 1883, 11/13

293373 Electric Lamp 1880, 8/07 1880. 8/17 1881, 3/29

293432 Electrical Generator or Motor 1883, 10/17 1883, 10/18 1884, 2/12

293433 Insulation of Railroad Tracks Used for Electrical Currents 1880, 8/06 1880, 8/09 1884, 2/12

293434 Incandescent Electric Lamp 1881, 12/05 1882, 8/07 1884, 2/12

293435 Electrical Meter 1882, 7/07 1882, 8/14 1884, 2/12

295990 Type-Writer 1878, 12/04 1878, 12/09 1884, 4/01

297580 Electric-Arc Light 1881, 11/07 1881, 11/28 1884, 4/29

297581 Incandescent Electric Lamp 1882, 9/12 1882, 9/22 1884, 4/29

297582 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1884, 4/29

297583 Dynamo-Electric Machine 1883, 7/27 1883, 10/10 1884, 4/29

297584 Dynamo-Electric Machine 1883, 8/08 1883, 10/10 1884, 4/29

297585 Incandescing Conductor for Electric Lamps 1883, 9/14 1883, 10/10 1884, 4/29

297586 Electrical Conductor 1883, 9/14 1883, 10/10 1884, 4/29

297587 Dynamo-Electric Machine 1883, 11/15 1883, 12/12 1884, 4/29

298679 Method Treating Carbons for Electric Lights 1880, 6/15 1880, 7/03 1884, 5/13

298954 Dynamo-Electric Machine 1883, 11/15 1883, 12/12 1884, 5/20

298955 Dynamo-Electric Machine 1883, 11/15 1883, 12/12 1884, 5/20

298956 Mode of Operating Dynamo-Electric Machines 1884, 1/05 1884, 1/24 1884, 5/20

304082 Electrical Meter 1882, 6/24 1882, 8/14 1884, 8/26

304083 Dynamo-Electric Machine 1883, 7/27 1883, 10/10 1884, 8/26

304084 Device for Protecting Electric-Light Systems from Lightning 1883, 7/27 1883, 10/10 1884, 8/26

304085 System of Electrical Distribution 1883, 11/15 1883, 12/12 1884, 8/26

304086 Incandescent Electric Lamp 1883, 12/15 1884, 1/24 1884, 8/26

304087 Electrical Conductor 1884, 1/12 1884, 1/24 1884, 8/26

307029 Filament for Incandescent Lamps 1882, 10/09 1882, 10/12 1884, 10/21

307030 Electrical Meter 1883, 8/08 1883, 10/10 1884, 10/21

307031 Electrical Indicator 1883, 11/21 1883, 11/15 1884, 10/21

314115 Chemical Stock Quotation Telegraph 1884, 2/09 1884, 3/19 1885, 3/17 Patrick Kenny
317631 Incandescent Electric Lamp 1881, 11/22 1881, 11/29 1885, 5/12

317632 Incandescent Electric Lamp 1882, 10/26 1882, 11/09 1885, 5/12

317633 Incandescent Electric Lamp 1882, 10/26 1882, 11/09 1885, 5/12

328572 Commutator for Dynamo-Electric Machines 1883, 6/25 1883, 6/29 1885, 10/20

328573 System of Electric Lighting 1884, 9/12 1884, 10/02 1885, 10/20

328574 System of Electric Lighting 1884, 9/12 1884, 10/02 1885, 10/20

328575 System of Electric Lighting 1884, 9/12 1884, 10/02 1885, 10/20

329030 Telephone 1884, 12/03 1884, 12/15 1885, 10/27

333289 Telegraphy 1885, 4/27 1885, 5/08 1885, 12/29

333290 Duplex Telegraphy 1885, 4/30 1885, 5/08 1885, 12/29

333291 Way-Station Quadruplex Telegraphy 1885, 5/06 1885, 5/16 1885, 12/29

334853 Mold for Carbonizing 1882, 7/07 1882, 8/14 1886, 1/26

337254 Telephone 1883, 11/10 1883, 11/13 1886, 3/02 Sigmund Bergman
339278 Electric Railway 1882, 7/07 1882, 8/14 1886, 4/06

339279 System of Electrical Distribution 1884, 2/08 1884, 4/05 1886, 4/06

340707 Telephonic Repeater 1884, 12/09 1884, 12/15 1886, 4/27

340708 Electrical Signaling Apparatus 1884, 12/19 1885, 1/12 1886, 4/27

340709 Telephone-Circuit 1885, 1/02 1885, 10/14 1886, 4/27 Ezra T. Gilliland
341644 Incandescent Electric Lamp 1881, 5/20 1881, 5/31 1886, 5/11

341839 Incandescing Electric Lamp 1883, 5/08 1883, 5/14 1886, 5/11

343017 System of Electrical Distribution 1884, 6/27 1884, 8/07 1886, 6/01

347097 Electrical Signaling Apparatus 1884, 12/19 1885, 1/12 1886, 8/10

348114 Electrode for Telephone-Transmitters 1885, 1/12 1885, 1/12 1886, 1/12

350234 System of Railway Signaling 1885, 3/27 1885, 4/07 1886, 10/05 Ezra T.Gilliland
350235 Railway-Telegraphy 1885, 12/28 1886, 1/13 1886, 10/05 Ezra T. Gilliland
351855 Electric Lamp 1880, 8/11 1880, 8/27 1886, 11/02

351856 Incandescent Electric Lamp 1886, 9/30 1886, 10/05 1886, 11/02

353783 Incandescent Electric Lamp 1882, 11/03 1882, 11/09 1886, 12/07

354310 Manufacture of Carbon Conductors 1883, 4/06 1883, 4/17 1886, 12/14

358599 Incandescent Electric Lamp 1881, 10/29 1881, 11/28 1887, 3/01

358600 Incandescent Electric Lamp 1881, 12/13 1882, 8/07 1887, 3/01

365465 Valve-Gear 1882, 10/05 1882, 10/12 1887, 6/28

365509 Filament for Incandescent Electric Lamps 1882, 6/03 1882, 8/07 1887, 6/28

365978 System of Electrical Distribution 1886, 11/22 1886, 11/29 1887, 7/05

369280 System of Electrical Distribution 1880, 1/28 1880, 2/05 1887, 8/30

369439 System of Electrical Distribution 1886, 11/22 1886, 12/06 1887, 9/06

369441 System of Electrical Distribution 1886, 12/10 1886, 12/16 1887, 9/06

369442 System of Electrical Distribution 1886, 12/16 1886, 12/22 1887, 9/06

369443 System of Electrical Distribution 1886, 12/16 1886, 12/27 1887, 9/06

370123 Electric Meter 1883, 4/06 1883, 4/17 1887, 9/20

370124 Manufacture of Filaments for Incandescing Lights 1883, 4/12 1883, 4/20 1887, 9/20

370125 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20

370126 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20

370127 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20

370128 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20

370129 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20

370130 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20

370131 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20

370132 Telegraphy 1886, 5/11 1886, 5/15 1887, 9/20

373584 Dynamo-Electric Machine 1886, 12/21 1886, 12/28 1887, 11/22

377374 Telegraphy 1877, 5/08 1877, 5/14 1888, 2/07

377518 Magnetic Separator 1887, 6/30 1887, 7/06 1888, 2/07

378044 Telephone-Transmitter 1885, 1/09 1885, 10/14 1888, 2/14

379770 Incandescent Electric Lamp 1881, 12/05 1881, 12/09 1888, 3/20

379771 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1888, 3/20

379772 System of Electrical Distribution 1882, 5/22 1882, 8/07 1888, 3/20

379944 Commutator for Dynamo-Electric Machines 1886, 11/26 1886, 12/06 1888, 3/27

380100 Pyromagnetic Motor 1887, 5/24 1887, 6/13 1888, 3/27

380101 System of Electrical Distribution 1887, 9/13 1887, 9/23 1888, 3/27

380102 System of Electrical Distribution 1887, 9/14 1887, 9/23 1888, 3/27

382414 Burnishing Attachment for Phonographs 1887, 11/22 1887, 11/26 1888, 5/08

382415 System of Electrical Distribution 1887, 12/04 1887, 12/27 1888, 5/08

382416 Feed and Return Mechanism for Phonographs 1887, 11/29 1888, 1/05 1888, 5/08

382417 Process of Making Phonogram-Blanks 1888, 1/30 1888, 2/04 1888, 5/08

382418 Phonogram-Blank 1888, 2/20 1888, 3/02 1888, 5/08

382419 Process of Duplicating Phonograms 1888, 3/03 1888, 3/08 1888, 5/08

382462 Phonogram-Blank 1887, 12/05 1888, 1/05 1888, 5/08

384830 Railway Signaling 1886, 11/24 1886, 11/29 1888, 6/19 Ezra T. Gilliland
385173 System of Electrical Distribution 1887, 11/05 1887, 12/09 1888, 6/26

386974 Phonograph 1887, 11/22 1887, 11/26 1888, 7/31

389369 Incandescing Electric Lamp 1888, 2/02 1888, 2/06 1888, 9/11

390462 Process of Making Carbon Filament 1888, 2/20 1888, 3/02 1888, 10/02

391595 System of Electric Lighting 1884, 7/16 1884, 8/07 1888, 10/23

391596 Incandescent Electric Lamp 1884, 9/24 1884, 10/02 1888, 10/23

393462 Process of Making Phonogram-Blanks 1888, 4/28 1888, 5/07 1888, 11/27

393463 Machine for Making Phonogram-Blanks 1888, 4/28 1888, 5/07 1888, 11/27

393464 Machine for Making Phonogram-Blanks 1888, 4/28 1888, 5/07 1888, 11/27

393465 Method of Preparing Phonograph Recording-Surfaces 1888, 6/30 1888, 7/07 1888, 11/27

393466 Phonograph-Recorder 1888, 7/14 1888, 7/17 1888, 11/27

393966 Method of Recording and Reproducing Sounds 1888, 7/14 1888, 7/17 1888, 12/04

393967 Method of Recording and Reproducing Sounds 1888, 7/14 1888, 7/17 1888, 12/04

393968 Phonograph-Recorder 1888, 10/31 1888, 11/05 1888, 12/04

394105 Phonograph-Recorder 1888, 2/20 1888, 3/02 1888, 12/04

394106 Phonograph-Reproducer 1888, 2/20 1888, 3/02 1888, 12/04

395123 Circuit-Controller for Dynamo-Electric Machines 1883, 2/13 1883, 3/16 1888, 12/25

395962 Method of Manufacturing Electric Lamps 1882, 9/16 1882, 9/22 1889, 1/08

395963 Incandescent-Lamp Filament 1884, 1/22 1884, 4/05 1889, 1/08

396356 Magnetic Separator 1888, 3/19 1888, 3/29 1889, 1/15

397280 Phonograph Recorder and Reproducer 1888, 9/19 1888, 9/27 1889, 2/05

397705 Method of Winding Field-Magnets 1888, 8/31 1888, 9/15 1889, 2/12

397706 Phonograph 1888, 9/29 1888, 10/11 1889, 2/12

398774 Incandescent Electric Lamp 1883, 5/08 1883, 5/14 1889, 2/26

400317 Ore-Separator 1881, 8/11 1882, 8/25 1889, 3/26

400646 Phonograph Recorder and Reproducer 1888, 5/22 1888, 6/07 1889, 4/02

400647 Phonograph 1888, 6/30 1888, 7/07 1889, 4/02

400648 Phonogram-Blank 1888, 7/27 1888, 7/30 1889, 4/02

400649 Method of Making Phonogram-Blanks 1888, 9/29 1888, 10/11 1889, 4/02

400650 Method of Making Phonogram-Blanks 1888, 10/15 1888, 10/17 1889, 4/02

401486 System of Electric Lighting 1882, 6/12 1882, 8/07 1889, 4/16

401646 Incandescing Electric Lamp 1882, 2/10 1882, 8/07 1889, 4/16

404902 Electrical-Distribution System 1881, 8/24 1881, 10/04 1889, 6/11

406130 Manufacture of Incandescent Electric Lamps 1886, 8/06 1886, 8/11 1889, 7/02

406567 Telephone 1886, 1/28 1886, 2/19 1889, 7/09

406568 Phonograph 1888, 10/15 1888, 10/17 1889, 7/09

406569 Phonogram-Blank 1889, 1/10 1889, 1/19 1889, 7/09

406570 Phonograph 1889, 2/01 1889, 2/11 1889, 7/09

406571 Process of Treating Phonogram-Blanks 1889, 2/1 1889, 2/11 1889, 7/09

406572 Automatic Determine Device for Phonographs 1889, 2/1 1889, 2/11 1889, 7/09

406573 Automatic Determining Device for Phonographs 1889, 2/1 1889, 2/11 1889, 7/09

406574 Automatic Determining Device for Phonographs 1889, 2/01 1889, 2/14 1889, 7/09

406575 Automatic Determining Device for Phonographs 1889, 2/1 1889, 2/11 1889, 7/09

406576 Phonogram-Recorder 1889, 2/1 1889, 2/11 1889, 7/09

406824 Electric Meter 1881, 1/19 1881, 1/31 1889, 7/09

406852 Electric Meter 1882, 8/25 1882, 9/13 1889, 7/09

411016 Manufacture of Carbon Filaments 1882, 10/19 1882, 10/20 1889, 9/17

411017 Carbonizing-Flask 1883, 4/06 1883, 4/17 1889, 9/17

411018 Manufacture of Incandescent Electric Lamps 1886, 7/15 1886, 7/17 1889, 9/17

411019 Manufacture of Incandescent Electric Lamps 1886, 7/20 1886, 7/29 1889, 9/17

411020 Manufacture of Carbon Filaments 1886, 11/26 1886, 12/06 1889, 9/17

414759 Phonogram-Blank 1889, 3/22 1889, 3/25 1889, 11/12

414760 Phonograph 1889, 3/22 1889, 3/30 1889, 11/12

414761 Phonogram-Blank 1889, 7/16 1889, 8/10 1889, 11/12

420594 Quadruplex Telegraph 1877, 8/16 1877, 8/22 1890, 2/04

422072 Telegraphy 1885, 10/07 1885, 10/23 1890, 2/25

422073 Telegraphy 1885, 11/12 1885, 11/24 1890, 2/25

422074 Telegraphy 1885, 11/24 1886, 2/26 1890, 2/25

422577 Apparatus for Speaking- Telephone 1884, 10/21 1884, 12/01 1890, 3/04 Ezra T. Gilliland
422578 Telephonic Repeater 1884, 12/09 1884, 12/15 1890, 3/04

422579 Telephonic Repeater 1884, 12/09 1884, 12/15 1890, 3/04

423039 Phonograph for Dolls or other Toys 1889, 6/15 1889, 7/02 1890, 3/11

425760 Measurement of Electricity in Distribution Systems 1881, 6/04 1881, 6/22 1890, 4/15

425761 Incandescent Lamp 1883, 11/20 1883, 11/22 1890, 4/15

425762 Cut-out for Incandescent Electric Lamps 1888, 3/03 1888, 3/08 1890, 4/15

425763 Commutator for Dynamo-Electric Machines 1881, 8/20 1881, 11/15 1890, 4/15

426527 Automatic Determining Device for Phonographs 1889, 6/15 1889, 7/02 1890, 4/29

430274 Phonogram-Blank 1888, 7/14 1890, 7/30 1890, 6/17

430275 Magnetic Separator 1888, 9/12 1888, 9/20 1890, 6/17

430276 Phonograph 1889, 1/12 1889, 1/15 1890, 6/17

430277 Automatic Determining Device for Phonographs 1889, 2/1 1889, 2/11 1890, 6/17

430278 Phonograph 1889, 4/08 1889, 4/10 1890, 6/17

430279 Voltaic Battery 1889, 6/15 1889, 7/02 1890, 6/17

430280 Magnetic Separator 1889, 7/20 1889, 7/29 1890, 6/17

430570 Phonogram-Blank 1887, 11/22 1887, 11/26 1890, 6/17

430932 Manufacture of Incandescent Lamps 1882, 10/14 1882, 10/20 1890, 6/24

430933 Filament for Incandescent Lamps 1882, 11/03 1882, 11/09 1890, 6/24

430934 Electric Lighting System 1883, 6/25 1883, 6/29 1890, 6/24

431018 Dynamo or Magneto Electric Machine 1881, 2/03 1881, 2/21 1890, 6/24

432586 Electric Generator 1888, 1/21 1888, 1/30 1890, 8/19

434585 Telegraph Relay 1880, 7/29 1880, 8/09 1890, 8/19

434587 Thermo-Electric Battery 1888, 1/21 1888, 1/30 1890, 8/19

434588 Magnetic Ore Separator 1890, 1/16 1890, 1/20 1890, 8/19 W.K.L. Dickson
434589 Propelling Mechanism for Electrical Vehicles 1890, 2/14 1890, 2/20 1890, 8/19

435687 Means for Charging and Using Secondary Batteries 1881, 6/21 1881, 9/03 1890, 9/02

435688 Process of and Apparatus for Generating Electricity 1883, 9/14 1883, 9/19 1890, 9/02

435689 Telegraphy 1885, 11/30 1886, 2/19 1890, 9/02

435690 Method of Making Armatures for Dynamo-Electric Machines 1888, 8/31 1888, 9/15 1890, 9/12

436127 Electric Motor 1890, 5/17 1890, 5/24 1890, 9/09

436968 Method of and Apparatus for Drawing Wire 1884, 6/02 1884, 6/10 1890, 9/23

436969 Method of and Apparatus for Drawing Wire 1884, 6/02 1884, 6/10 1890, 9/23

436970 Apparatus for Transmitting Power 1890, 6/02 1890, 6/10 1890, 9/23

437422 Telegraphy 1885, 10/07 1885, 10/23 1890, 9/30

437423 Phonograph 1888, 7/14 1888, 7/17 1890, 9/30

437424 Phonograph 1888, 10/15 1888, 10/17 1890, 9/30

437425 Phonograph-Recorder 1889, 2/1 1889, 2/11 1890, 9/30

437426 Phonograph 1889, 7/20 1889, 8/10 1890, 9/30

437427 Method of Making Phonograph Blanks 1890, 2/08 1890, 2/17 1890, 9/30

437428 Propelling Device for Electrical Cars 1890, 4/29 1890, 5/05 1890, 9/30

437429 Phonogram Blank 1890, 4/29 1890, 5/05 1890, 9/30

438298 Manufacture of Incandescent Electric Lamps 1882, 11/28 1882, 12/08 1890, 10/14

438299 Manufacture of Carbon Filaments 1883, 2/17 1883, 3/16 1890, 10/14

438300 Gage for Testing Fibers for Incandescent-Lamp Carbons 1883, 6/01 1883, 6/07 1890, 10/14

438301 System of Electric Lighting 1883, 6/25 1883, 6/29 1890, 10/14

438302 Commutator for Dynamo- Electric Machines 1883, 7/27 1883, 10/10 1890, 10/14

438303 Arc Lamp 1884, 6/02 1884, 6/10 1890, 10/14

438304 Electric Signaling Apparatus 1884, 9/24 1884, 12/15 1890, 10/14

438305 Fuse-Block 1885, 1/14 1885, 10/14 1890, 10/14

438306 Telephone 1885, 12/22 1886, 2/19 1890, 10/14 Ezra T. Gilliland
438307 Manufacture of Incandescent Electric Lamps 1886, 7/15 1886, 7/17 1890, 10/14

438308 System of Electrical Distribution 1886, 11/09 1886, 12/06 1890, 10/14

438309 Method of Insulating Electrical Conductors 1889, 4/25 1889, 5/11 1890, 10/14

438310 Lamp-Base 1890, 4/25 1890, 5/05 1890, 10/14

439389 Electric-Lighting Systems 1881, 7/1 1881, 8/30 1890, 10/28

439390 System of Electric Lighting 1882, 6/19 1882, 6/26 1890, 10/28

439391 Junction-Box for Electric Wires 1881, 12/05 1882, 8/07 1890, 10/28

439392 Electric-Lighting System 1882, 8/12 1882, 8/22 1890, 10/28

439393 Carbonizing Chamber 1882, 8/25 1882, 9/13 1890, 10/28

443507 Phonograph 1889, 12/11 1889, 12/27 1890, 12/30

444530 Leading-In Wire for Incandescent Lamps 1890, 9/12 1890, 9/15 1891, 1/31

446666 System of Electric Lighting 1882, 6/19 1882, 6/26 1891, 2/17

446667 Locomotive for Electric Railways 1881, 10/11 1882, 8/07 1891, 2/17

446668 Electric-Arc Light 1882, 6/03 1882, 8/07 1891, 2/17

446669 Manufacture of Filaments for Incandescent Electric Lamps 1883, 2/17 1883, 3/16 1891, 2/17

448778 Electric Railway 1882, 8/05 1882, 8/07 1891, 3/24

448779 Telegraph 1886, 7/15 1886, 7/19 1891, 3/24

448780 Device for Turning Off Phonogram Blanks 1888, 6/30 1888, 7/07 1891, 3/24

448781 Turning-Off Device for Phonographs 1888, 7/16 1888, 7/30 1891, 3/24

450750 Phonograph-Recorder 1888, 7/14 1888, 7/17 1891, 4/21

452913 Sextuplex Telegraph 1877, 5/31 1877, 6/02 1891, 5/16

453601 Sextuplex Telegraph 1877, 5/31 1877, 6/02 1891, 6/02

453741 Phonograph 1890, 7/05 1890, 7/30 1891, 6/09

454262 Incandescent-Lamp Filament 1886, 10/26 1886, 10/27 1891, 6/16

454558 Incandescent Electric Lamp 1881, 12/05 1882, 8/07 1891, 6/23

454941 Phonograph Recorder or Reproducer 1890, 5/06 1890, 5/24 1891, 6/30

454942 Phonograph 1890, 7/05 1890, 7/30 1891, 6/30

456301 Phonograph-Doll 1890, 7/05 1890, 7/30 1891, 7/21

456302 Phonograph 1890, 8/04 1890, 8/12 1891, 7/21

457343 Magnetic Belting 1890, 9/06 1890, 9/10 1891, 8/11

457344 Smoothing Tool for Phonograph Blanks 1890, 11/17 1890, 11/21 1891, 8/11

459835 Manufacture of Incandescent Electric Lamps 1883, 1/13 1883, 1/22 1891, 9/22

460122 Process of and Apparatus for Generating Electricity 1882, 5/01 1882, 5/26 1891, 9/29

460123 Phonogram-Blank Carrier 1890, 11/17 1890, 11/21 1891, 9/29

462540 Incandescent Electric Lamp 1889, 3/22 1889, 3/25 1891, 11/03

464822 System of Distributing Electricity 1882, 6/19 1882, 6/28 1891, 12/08

465250 Process of Extracting Copper Pyrites 1890, 2/08 1890, 2/17 1891, 12/15

465251 Method of Bricking Fine Ores 1891, 7/31 1891, 8/24 1891, 12/15

465970 Armature Connection for Motors or Generators 1891, 3/20 1891, 3/26 1891, 12/29

465971 Means for Transmitting Signals Electrically 1885, 5/14 1885, 5/23 1891, 12/29

465972 Phonograph 1889, 11/14 1889, 11/18 1891, 12/29

465973 Armature for Dynamos or Motors 1891, 3/04 1891, 3/23 1891, 12/29

466400 Cut-Out for Incandescent Lamps 1886, 10/26 1886, 10/27 1892, 1/05 John F. Ott
466460 Art of Electrolytic Decomposition 1882, 5/19 1882, 5/26 1892, 1/05

468949 Converter System for Electric Railways 1887, 2/07 1887, 3/08 1892, 2/16

468950 Commutator-Brush for Electric Motors and Dynamos 1891, 3/20 1891, 4/04 1892, 2/16

470922 Manufacture of Filaments for Incandescent Lamps 1883, 9/14 1883, 10/10 1892, 3/15

470923 Railway-Signaling 1887, 8/09 1887, 8/19 1892, 3/15

470924 Electric Conductor 1887, 9/26 1887, 9/30 1892, 3/15

470925 Manufacture of Filaments for Incandescent Lamps 1888, 6/21 1888, 7/02 1892, 3/15

470926 Dynamo-Electric Machine or Motor 1891, 2/04 1891, 2/24 1892, 3/15

470927 Driving Mechanism for Cars 1891, 3/04 1891, 3/26 1892, 3/15

470928 Alternating-Current Generator 1891, 7/31 1891, 8/25 1892, 3/15

470929 Magnetic Separator 1891, 8/28 1891, 10/01 1892, 3/15

470930 Dynamo-Electric Machine 1891, 10/08 1891, 10/10 1892, 3/15

471268 Ore-Conveyor and Method of Arranging Ore Thereon 1891, 8/28 1891, 10/01 1892, 3/22

472288 Dust-Proof Bearing for Shafts 1891, 8/28 1891, 10/01 1892, 4/05

472752 Dust-Proof Journal-Bearing 1891, 8/28 1891, 10/01 1892, 4/12

472753 Ore-Screening Apparatus 1891, 8/28 1891, 10/01 1892, 4/12

474230 Speaking Telegraph 1877, 4/18 1877, 4/27 1892, 5/03

474231 Speaking Telegraph 1877, 7/09 1877, 7/20 1892, 5/03

474232 Speaking-Telegraph 1886, 2/17 1886, 2/18 1892, 5/03

474591 Process of Extracting Gold from Sulfide Ores 1888, 9/12 1888, 9/20 1892, 5/10

474592 Ore-Conveying Apparatus 1891, 8/28 1891, 10/01 1892, 5/10

474593 Dust-Proof Swivel Shaft-Bearing 1891, 8/28 1891, 10/08 1892, 5/10

475491 Electric Locomotive 1891, 6/03 1891, 6/09 1892, 5/24

475492 Electric Locomotive 1891, 6/03 1891, 6/09 1892, 5/24

475493 Electric Locomotive 1891, 6/03 1891, 6/09 1892, 5/24

475494 Electric Railway 1891, 6/03 1891, 6/09 1892, 5/24

476527 System of Electric Lighting 1882, 6/12 1882, 8/07 1892, 6/07

476528 Incandescent Electric Lamp 1883, 2/17 1883, 3/16 1892, 6/07

476529 System of Electrical Distribution 1883, 7/27 1883, 10/10 1892, 6/07

476530 Incandescent Electric Lamp 1887, 6/01 1887, 6/04 1892, 6/07

476531 Electric-Lighting System 1881, 4/22 1881, 4/26 1892, 6/07

476532 Ore-Screening Apparatus 1891, 10/08 1891, 10/15 1892, 6/07

476983 Pyromagnetic Generator 1887, 5/24 1887, 6/13 1892, 6/14

476984 Expansible Pulley 1890, 8/09 1890, 8/28 1892, 6/14

476985 Trolley for Electric Railways 1890, 10/27 1890, 11/21 1892, 6/14

476986 Means for Propelling Electric Cars 1891, 2/24 1891, 3/02 1892, 6/14

476987 Electric Locomotive 1891, 2/24 1891, 3/02 1892, 6/14

476988 Lightning-Arrester 1891, 7/31 1891, 8/14 1892, 6/14

476989 Conductor for Electric Railways 1891, 7/31 1891, 8/14 1892, 6/14

476990 Electric Meter 1891, 7/31 1891, 8/25 1892, 6/14

476991 Method of and Apparatus for Separating Ores 1888, 5/09 1888, 5/21 1892, 6/14

476992 Incandescent Electric Lamp 1891, 1/20 1891, 1/24 1892, 6/14

476993 Electric-Arc Lamp 1891, 7/31 1891, 10/01 1892, 6/14

478743 Telephone-Repeater 1884, 12/31 1885, 10/14 1892, 7/12

479184 Fac-simile Telegraph 1881, 7/26 1881, 12/06 1892, 7/19 Patrick Kenny
480567 Duplex Telegraph 1874, 8/19 1874, 9/01 1892, 8/09

482549 Means for Controlling Electric Generation 1881, 3/02 1881, 3/12 1892, 9/13

484183 Electrical Depositing-Meter 1891, 7/31 1891, 8/25 1892, 6/14

484184 Manufacture of Carbon Filaments 1886, 10/26 1886, 10/27 1892, 10/11

484185 Manufacture of Carbon Filaments 1886, 12/20 1886, 12/27 1892, 10/11

484528 Duplicating Phonograms 1888, 1/17 1888, 1/30 1892, 10/18

484583 Phonograph Cutting-Tool 1890, 5/24 1890, 5/27 1892, 10/18

484584 Phonograph-Reproducer 1890, 5/24 1890, 5/27 1892, 10/18

484585 Phonograph 1890, 7/05 1890, 7/30 1892, 10/18

485615 Manufacture of Carbon Filaments 1886, 11/26 1886, 12/06 1889, 9/17

485616 Manufacture of Carbon Filaments 1886, 12/06 1886, 12/15 1892, 11/08

485617 Incandescent Lamp Filaments 1888, 7/14 1888, 7/17 1892, 11/08

485840 Method of Bricking Fine Iron Ores 1891, 7/31 1891, 8/24 1891, 12/15

485841 Method of Magnetically Separating Ores 1892, 7/09 1892, 7/20 1892, 11/08

485842 Method of Magnetic-Ore Separation 1892, 7/09 1892, 7/20 1892, 11/08

486634 System of Railway Signaling 1885, 3/27 1885, 4/07 1892, 11/22 Ezra T, Gilliland
488189 Phonograph 1888, 5/26 1888, 5/29 1892, 3/15

488190 Phonograph Reproducer 1888, 5/22 1888, 6/07 1892, 12/20

488191 Phonogram-Blank 1889, 1/10 1889, 1/19 1892, 12/20

490953 Art of Generating Electricity 1883, 10/09 1883, 11/01 1893, 1/31

490954 Manufacture of Carbon Filaments for Electric Lamps 1886, 11/02 1886, 11/06 1893, 1/31

491992 Cut-Out for Incandescent Electric Lamps 1891, 11/10 1891, 11/12 1893, 2/21

491993 Stop Device 1892, 4/05 1892, 4/11 1893, 2/21

492150 Process of Coating Conductors for Incandescent Lamps 1882, 10/19 1882, 10/26 1893, 2/21

492789 Speaking Telegraph 1877, 8/31 1877, 9/05 1893, 3/07

493425 Electric Locomotive 1890, 12/20 1891, 1/19 1893, 3/14

493426 Apparatus for Exhibiting Photographs of Moving Objects 1891, 7/31 1891, 8/24 1893, 3/14

493858 Transmission of Power 1890, 8/09 1890, 8/28 1893, 3/21

496191 Phonograph 1891, 2/04 1891, 2/09 1893, 4/25

498385 Roller for Crushing Ore or Other Material 1891, 8/28 1891, 10/01 1893, 5/30

499879 Phonograph 1888, 7/27 1888, 7/30 1893, 6/20

500280 Phonograph 1890, 10/27 1890, 11/21 1893, 6/27

500281 Phonograph 1890, 11/17 1890, 11/21 1893, 6/27

500282 Phonograph 1890, 12/1 1890, 12/03 1893, 6/27

506215 Method of Making Plate Glass 1887, 11/09 1887, 11/11 1893, 10/10

506216 Apparatus for Making Glass 1889, 6/29 1889, 7/02 1893, 10/10

509428 Composition Brick and Method of Making Same 1893, 3/15 1893, 3/17 1893, 11/28

509517 System of Electrical Distribution 1883, 11/15 1883, 12/12 1893, 11/28

509518 Electric Railway 1891, 7/31 1891, 8/14 1893, 11/28

512872 Sextuplex Telegraph 1877, 5/31 1877, 6/02 1894, 1/16

513095 Phonograph 1889, 12/11 1889, 12/27 1894, 1/23

513096 Method of and Apparatus for Mixing Materials 1892, 8/24 1892, 8/29 1894, 1/23

513097 Phonograph 1893, 5/22 1893, 5/24 1894, 1/23

524136 Regulator for Dynamo-Electric Machines 1881, 9/27 1881, 11/11 1894, 8/07

524378 System of Electrical Distribution 1886, 11/09 1886, 12/06 1894, 8/14

525007 Manufacture of Carbon Filaments 1886, 12/06 1886, 12/15 1904, 8/28

525888 Manufacture of Carbons for Electric Lamps 1880, 3/10 1880, 3/20 1894, 9/19

526147 Art of Plating One Material with Another 1884, 1/22 1884, 1/28 1894, 9/18

534206 Filament for Incandescent Lamps 1883, 12/15 1884, 1/04 1895, 2/12

534207 Manufacture of Carbon Filaments 1886, 12/20 1886, 12/27 1895, 2/12

534208 Induction-Converter 1888, 5/07 1888, 5/21 1895, 2/12

541923 Phonograph 1890, 10/27 1890, 11/21 1895, 6/02

541924 Phonograph 1890, 11/17 1890, 12/03 1895, 7/02

543209 Incandescent Electric Lamp 1890, 9/13 1890, 9/17 1895, 2/12

543985 Incandescent Conductor for Electric Lamps 1882, 6/03 1882, 8/07 1895, 8/06

543986 Process of Treating and Products Derived from Vegetable Fibers 1882, 10/17 1882, 10/20 1895, 8/06

543987 Filament for Incandescent Lamps 1882, 10/17 1882, 10/20 1895, 8/06

545405 System of Electrical Distribution 1887, 8/26 1887, 8/29 1895, 8/27

563462 Method of and Apparatus for Drawing Wire 1887, 10/17 1887, 10/21 1896, 7/07

564423 Process of Separating Ores 1892, 6/27 1892, 7/02 1896, 7/21

567187 Crushing Roll 1893, 12/13 1893, 12/19 1896, 9/08

575151 Phonograph 1890, 12/01 1890, 12/03 1897, 1/12

589168 Kinetographic Camera 1891, 7/31 1891, 8/24 1897, 8/31

602064 Conveyor 1893, 12/13 1893, 12/19 1898, 4/12

604740 Governor for Motors 1897, 1/25 1897, 1/27 1898, 5/31

605475 Drying Apparatus 1897, 6/10 1897, 6/29 1898, 6/14

605667 Phonograph 1890, 12/1 1890, 12/03 1898, 6/14

605668 Mixer 1897, 6/10 1897, 6/29 1898, 6/14

607588 Phonograph 1897, 1/25 1897, 1/27 1898, 7/19

609268 Phonograph 1890, 12/06 1890, 12/15 1898, 8/16

610706 Phonograph 1890, 12/1 1890, 12/03 1898, 9/30

622843 Phonograph 1890, 12/01 1890, 12/03 1899, 4/11

624457 Phonograph 1899, 9/12 1899, 9/21 1900, 6/26

626460 Filament for And Process of Incandescent Lamps 1898, 3/29 1898, 3/31 1899, 6/06

637327 Rolls 1897, 5/14 1897, 7/16 1899, 11/21

641281 Expanding Pulley 1899, 4/10 1899, 4/24 1900, 1/16 Charles M. Johnson
643764 Method of Reheating Compressed Air for Industrial Purposes 1899, 2/24 1899, 2/27 1900, 2/20

648933 Drier 1898, 4/11 1898, 5/23 1900, 5/08

648934 Process of Screening or Sizing Very Fine Materials 1899, 2/06 1899, 3/17 1900, 5/08

648935 Apparatus for Duplicating Phonograph Records 1899, 10/27 1899, 10/28 1900, 5/08

655480 Phonographic Reproducing Device 1900, 4/30 1900, 5/03 1900, 8/07

657527 Process of Making Metallic Duplicate Phonograph-Records 1900, 4/30 1900, 5/04 1900, 9/11

657922 Apparatus for Reheating Compressed Air for Industry 1899, 12/09 1899, 12/12 1900, 9/18

659389 Electric Meter 1898, 9/19 1898, 9/24 1900, 10/09

660293 Electric Meter 1899, 3/23 1899, 9/16 1900, 10/23

660845 Apparatus for Sampling, Averaging, Mixing, and Storing Materials in Bulk 1900, 1/09 1900, 1/11 1900, 10/30

661238 Machine Forming Pulverized Material Into Briquettes 1898, 4/11 1898, 5/23 1900, 11/06

662063 Process of Sampling, Averaging, Mixing, and Storing Materials in Bulk 1900, 1/09 1900, 1/11 1900, 11/20

663015 Electric Meter 1899, 2/06 1899, 3/17 1900, 12/04

667201 Flight Conveyer 1897, 6/10 1897, 6/29 1901, 2/05

667202 Apparatus for Duplicating Phonograph Records 1900, 4/30 1900, 5/08 1901, 2/05

667622 Process of Duplicating Phonograph Records 1900, 4/30 1900, 5/08 1901, 2/05

671314 Lubricating Journal-Bearings 1897, 6/10 1897, 6/29 1901, 4/02

671315 Conveyer 1897, 6/10 1897, 6/29 1901, 4/02

671316 Apparatus for Screening or Rescreening Fine Materials 1900, 2/23 1900, 3/07 1901, 4/02

671317 Method of Screening or Rescreening Fine Materials 1900, 3/28 1900, 3/31 1901, 4/02

672616 Method of Breaking Rock 1897, 5/14 1897, 7/16 1901, 4/23

672617 Apparatus for Breaking Rock 1900, 8/01 1900, 8/09 1901, 4/23

674057 Grinding or Crushing rolls 1898, 4/11 1898, 5/23 1901, 5/14

675056 Magnetic Separator 1897, 5/14 1897, 6/12 1901, 5/28

675057 Apparatus for Screening Pulverized Material 1897, 6/10 1897, 6/29 1901, 5/28

676225 Phonographic Recording Apparatus 1900, 8/10 1900, 8/18 1901, 6/11

676618 Magnetic Separator 1897, 5/14 1897, 7/16 1901, 6/18

676840 Magnetic Separating Apparatus 1900, 1/03 1900, 1/09 1901, 6/18

676841 Magnetic Separating Apparatus 1900, 6/11 1900, 7/02 1901, 6/18

678722 Reversible Galvanic Battery 1901, 6/17 1901, 6/22 1901, 7/16

679500 Apparatus for Screening or Sizing Very Fine Materials 1900, 1/24 1900, 1/31 1901, 7/30

680520 Process of Making Duplicate Phonograph Records 1900, 7/23 1900, 8/18 1901, 8/13

684204 Reversible Galvanic Battery 1900, 10/15 1900, 10/31 1901, 10/08

684205 Reversible Galvanic Battery 1901, 6/17 1901, 6/20 1901, 10/08

685911 Apparatus for Reheating Compressed Air for Industrial Purposes 1899, 11/24 1899, 12/06 1901, 11/05

688610 Phonograph Recording Apparatus 1899, 2/10 1899, 3/17 1901, 12/10

692507 Reversible Galvanic Battery 1901, 6/17 1901, 6/20 1902, 2/04

700136 Reversible Galvanic Battery 1901, 2/18 1901, 3/05 1902, 5/13

700137 Reversible Galvanic Battery 1901, 2/23 1901, 3/05 1902, 3/13

701804 Reversible Galvanic Battery 1901, 6/12 1901, 6/20 1902, 6/03

703051 Electric Meter 1900, 9/28 1900, 10/15 1902, 6/24

703562 Apparatus for Bricking Pulverized Material 1898, 4/11 1898, 5/23 1902, 7/1

703744 Reproducer for Phonographs 1898, 3/21 1898, 3/24 1902, 7/01

704010 Apparatus for Concentrating Magnetic Iron Ores 1898, 4/11 1898, 5/23 1902, 7/08

704303 Reversible Galvanic Battery 1900, 12/22 1901, 1/08 1902, 7/08

704304 Reversible Galvanic Battery 1901, 2/23 1901, 3/03 1902, 7/08

704305 Electrode for Batteries 1901, 5/10 1901, 5/17 1902, 7/08

704306 Reversible Galvanic Battery 1901, 6/17 1901, 6/20 1902, 7/08

705829 Reproducer for Sound - Records 1901, 10/24 1901, 11/08 1902, 7/29

713209 Process of Duplicating Phonograms 1898, 2/21 1898, 3/05 1902, 11/11

713863 Process of Coating Phonograph Records 1900, 5/15 1900, 6/16 1902, 11/18

721682 Reversible Galvanic Battery 1902, 11/13