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All Patents in class 310/244
Patents 1 - 15 of 17
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NumberDatePatenteeTitleType
171,087Dec. 14, 1875J. BishopElectro Magnetic Engineselectric motors
227,623May 18, 1880W.W. GriscomElectro-Magnetic MotorDC motors
334,823Jan. 26, 1886N. TeslaCommutator for dynamo-electric machines
345,336Jul. 13, 1886E. ThomsonCommutator brushmotor brushes
397,492Feb. 12, 1889R. EickemeyerBrush for electric generatorselectric generators
410,670Sep. 10, 1889C.D. JenneyBrush-holder for dynamo-electric machinesmotor brush holders
466,448Jan. 05, 1892F.J. SpragueCommutator-brush and holder for dynamo-electric machines and motorsmotor brushes
684,188Oct. 08, 1901J. BurkeBrush-holdermotor brush holders
714,769Dec. 02, 1902C. Zabel, B. Zabel, W. ZabelCarbon Holder for Dynamo Electric Machinesmotor brush holders
784,102Mar. 07, 1905J. BurkeBrush-holder for dynamo-electric machinesmotor brush holders
909,057Jan. 05, 1909J. BurkeElectric motorelectric motors
909,834Jan. 12, 1909M. WalkerBrush Holder for Dynamo Electric Machinesmotor brush holders
924,716Jun. 15, 1909C.E. ZachauBrush Holder for Dynamo Machines or Motorsmotor brush holders
942,264Dec. 07, 1909A. KimbleBrush-holdermotor brush holders
967,474Aug. 16, 1910R.B. WilliamsonBrush-holdermotor brush holders
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