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Patents for Charles P. Steinmetz
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
513,992Feb. 06, 1894R. EickemeyerMethod of and means for developing dyed stiff hat-bodiesmilliner
596,186Dec. 28, 1897E.W. Rice, C.P. SteinmetzPhase Regulatorphase regulators
609,016Aug. 16, 1898R. EickemeyerElectric elevator
620,965Mar. 14, 1899C.P. Steinmetz, E.W. RiceAlternating Current Motorinduction motors
620,966Mar. 14, 1899C.P. Steinmetz, E.W. Rice, Jr.Induction Motorinduction motors
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