. . . . . . . .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