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All Patents in class 307/36
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
309,536Dec. 23, 1884W.K. FreemanRegulator for Electric Generators & Motorsmotor regulators
316,091Apr. 21, 1885E. WestonElectro-Magnetic MotorDC motors
372,943Nov. 08, 1887W. Stanley, Jr.System of electrical distribution and conversion
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