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Patents for William W. Griscom
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
227,622May 18, 1880W.W. GriscomElectro-Magnetic MotorDC motors
227,623May 18, 1880W.W. GriscomElectro-Magnetic MotorDC motors
228,888Jun. 15, 1880W.W. GriscomRegulating Electro-Magnetic Motorsmotor regulators
356,834Feb. 01, 1887W.W. GriscomElectric MotorDC motors
397,424Feb. 05, 1889H.N. Weidner, W.W. GriscomConnection of Electrical Circuitselectrical connectors
408,232Aug. 06, 1889W.W. GriscomMeans for Propelling Vehicles by Secondary Batterieselectric railroads
408,233Aug. 06, 1889W.W. GriscomVehicle Motorelectric railroads
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