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All Patents in class 318/293
Patents 1 - 6 of 6
First set of recordsLast set of records
291,650Jan. 08, 1884C.J. Van DepoeleCurrent Regulator for Electric Motorsmotor regulators
294,041Feb. 26, 1884W. HochhausenAutomatic Brake for Electric Motorsmotor brakes
454,462Jun. 23, 1891R. EickemeyerElectric elevator
609,016Aug. 16, 1898R. EickemeyerElectric elevator
714,862Dec. 02, 1902H.W. BuckControlling Electric Motorsmotor controls
3,586,949Jun. 22, 1971C.f. Raber, K.D. SpearThree-Phase Motor Control Systemmotor controls
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