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All Patents in class 310/54
Patents 1 - 4 of 4
First set of recordsLast set of records
227,845May 18, 1880W. SawyerDynamo Electric MachineDC motors
685,012Oct. 22, 1901N. TeslaMeans for Increasing the Intensity of Electrical Oscillations
686,856Nov. 19, 1901A. Soames, W. Langdon-DaviesDynamo Electric Machineelectric motors
1,135,327Apr. 13, 1915M.A. SavageDynamo-electric machinemotor cooling
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