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All Patents in class 310/219
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
354,538Dec. 21, 1886F.B. Crocker, C.G. CurtisDynamo Electric Machine or Motorelectric motors
382,845May 15, 1888N. TeslaCommutator for Dynamo-Electric Machines
480,739Aug. 16, 1892H.F. ParshallCommutator for electro-magnetic machinesmotor commutators
642,743Feb. 06, 1900S. EvershedCommutator for Electric Motors or Generatorsmotor commutators
909,834Jan. 12, 1909M. WalkerBrush Holder for Dynamo Electric Machinesmotor brush holders
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