PATENTS - 7

PATENTS - 7

242,900 Manufacturing Carbons for Electric

Lamps. . . . . . . . . . . . . . . . .Oct. 21, 1880

251,556 Regulator for Magneto or Dynamo

Electric Machines. . . . . . . . . . .Oct. 21, 1880

248,426 Apparatus for Treating Carbons for

Electric Lamps . . . . . . . . . . . . Nov. 5, 1880

239,151 Forming Enlarged Ends on Carbon

Filaments. . . . . . . . . . . . . . .Nov. 19, 1880

12,631 Design Patent--Incandescent Electric

Lamp . . . . . . . . . . . . . . . . .Nov. 23, 1880

239,149 Incandescing Electric Lamp . . . . . . Dec. 3, 1880

242,896 Incandescent Electric Lamp . . . . . . Dec. 3, 1880

242,897 Incandescent Electric Lamp . . . . . . Dec. 3, 1880

248,565 Webermeter . . . . . . . . . . . . . . Dec. 3, 1880

263,878 Electric Lamp. . . . . . . . . . . . . Dec. 3, 1880

239,154 Relay for Telegraphs . . . . . . . . .Dec. 11, 1880

242,898 Dynamo Electric Machine. . . . . . . .Dec. 11, 1880

248,431 Preserving Fruit . . . . . . . . . . .Dec. 11, 1880

265,777 Treating Carbons for Electric Lamps. .Dec. 11, 1880

239,374 Regulating the Generation of Electric

Currents . . . . . . . . . . . . . . .Dec. 16, 1880

248,428 Manufacture of Incandescent Electric

Lamps. . . . . . . . . . . . . . . . .Dec. 16, 1880

248,427 Apparatus for Treating Carbons for

Electric Lamps . . . . . . . . . . . .Dec. 21, 1880

248,437 Apparatus for Treating Carbons for

Electric Lamps . . . . . . . . . . . .Dec. 21, 1880

248,416 Manufacture of Carbons for Electric

Lights . . . . . . . . . . . . . . . .Dec. 30, 1880

1881

242,899 Electric Lighting. . . . . . . . . . .Jan. 19, 1881

248,418 Electric Lamp. . . . . . . . . . . . . Jan. 19 1881

248,433 Vacuum Apparatus . . . . . . . . . . . Jan. 19 1881

251,548 Incandescent Electric Lamps. . . . . .Jan. 19, 1881

406,824 Electric Meter . . . . . . . . . . . .Jan. 19, 1881

248,422 System of Electric Lighting. . . . . .Jan. 20, 1881

431,018 Dynamo or Magneto Electric Machine . . Feb. 3, 1881

242,901 Electric Motor . . . . . . . . . . . .Feb. 24, 1881

248,429 Electric Motor . . . . . . . . . . . .Feb. 24, 1881

248,421 Current Regulator for Dynamo Electric

Machine. . . . . . . . . . . . . . . .Feb. 25, 1881

251,550 Magneto or Dynamo Electric Machines. .Feb. 26, 1881

251,555 Regulator for Dynamo Electric

Machines . . . . . . . . . . . . . . .Feb. 26, 1881

482,549 Means for Controlling Electric

Generation . . . . . . . . . . . . . .March 2, 1881

248,420 Fixture and Attachment for Electric

Lamps. . . . . . . . . . . . . . . . .March 7, 1881

251,553 Electric Chandeliers . . . . . . . . .March 7, 1881

251,554 Electric Lamp and Socket or Holder . .March 7, 1881

248,424 Fitting and Fixtures for Electric

Lamps. . . . . . . . . . . . . . . . .March 8, 1881

248,419 Electric Lamp. . . . . . . . . . . . March 30, 1881

251,542 System of Electric Light . . . . . . April 19, 1881

263,145 Making Incandescents . . . . . . . . April 19, 1881

266,447 Electric Incandescent Lamp . . . . . April 21, 1881

251,552 Underground Conductors . . . . . . . April 22, 1881

476,531 Electric Lighting System . . . . . . April 22, 1881

248,436 Depositing Cell for Plating the Connections

of Electric Lamps. . . . . . . . . . . May 17, 1881

251,539 Electric Lamp. . . . . . . . . . . . . May 17, 1881

263,136 Regulator for Dynamo or Magneto

Electric Machine . . . . . . . . . . . May 17, 1881

251,557 Webermeter . . . . . . . . . . . . . . May 19, 1881

263,134 Regulator for Magneto Electric

Machine. . . . . . . . . . . . . . . . May 19, 1881

251,541 Electro Magnetic Motor . . . . . . . . May 20, 1881

251,544 Manufacture of Electric Lamps. . . . . May 20, 1881

251,549 Electric Lamp and the Manufacture

thereof. . . . . . . . . . . . . . . . May 20, 1881

251,558 Webermeter . . . . . . . . . . . . . . May 20, 1881

341,644 Incandescent Electric Lamp . . . . . . May 20, 1881

251,551 System of Electric Lighting. . . . . . May 21, 1881

263,137 Electric Chandelier. . . . . . . . . . May 21, 1881

263,141 Straightening Carbons for Incandescent

Lamps. . . . . . . . . . . . . . . . . May 21, 1881

264,657 Incandescent Electric Lamps. . . . . . May 21, 1881

251,543 Electric Lamp. . . . . . . . . . . . . May 24, 1881

251,538 Electric Light . . . . . . . . . . . . May 27, 1881

425,760 Measurement of Electricity in Distribution

System . . . . . . . . . . . . . . . .May 3 1, 1881

251,547 Electrical Governor. . . . . . . . . . June 2, 1881

263,150 Magneto or Dynamo Electric Machines. June 3, 1881

263,131 Magnetic Ore Separator . . . . . . . . June 4, 1881

435,687 Means for Charging and Using Secondary

Batteries. . . . . . . . . . . . . . .June 21, 1881

263,143 Magneto or Dynamo Electric Machines. .June 24, 1881

251,537 Dynamo Electric Machine. . . . . . . .June 25, 1881

263,147 Vacuum Apparatus . . . . . . . . . . .July 1, 188 1

439,389 Electric Lighting System . . . . . . . July 1, 1881

263,149 Commutator for Dynamo or Magneto

Electric Machines. . . . . . . . . . .July 22, 1881

479,184 Facsimile Telegraph--Edison and Kenny.July 26, 1881

400,317 Ore Separator. . . . . . . . . . . . .Aug. 11, 1881

425,763 Commutator for Dynamo Electric

Machines . . . . . . . . . . . . . . .Aug. 20, 1881

263,133 Dynamo or Magneto Electric Machine . .Aug. 24, 1881

263,142 Electrical Distribution System . . . .Aug. 24, 1881

264,647 Dynamo or Magneto Electric Machines. .Aug. 24, 1881

404,902 Electrical Distribution System . . . .Aug. 24, 1881

257,677 Telephone. . . . . . . . . . . . . . .Sept. 7, 1881

266,021 Telephone. . . . . . . . . . . . . . .Sept. 7, 1881

263,144 Mold for Carbonizing Incandescents . Sept. 19, 1881

265,774 Maintaining Temperatures in

Webermeters. . . . . . . . . . . . . Sept. 21, 1881