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All Patents in class 318/372
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
96,332Nov. 02, 1869G. LittleImprovement in Electro-Magnetic Motorselectric motors
228,888Jun. 15, 1880W.W. GriscomRegulating Electro-Magnetic Motorsmotor regulators
1,084,590Jan. 13, 1914H.L. ZabriskieElectric motor
1,823,555Sep. 15, 1931J.M. NaulElectric phonograph motor
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