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All Patents of Type: motor windings
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
302,557Jul. 29, 1884W.K. FreemanArmature Winding for Dynamo Machinesmotor windings
854,704May 21, 1907W.J. RichardsDynamo-electric machinemotor commutators
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