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All Patents in class 388
Patents 31 - 45 of 49
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NumberDatePatenteeTitleType
1,115,835Nov. 03, 1914J.D. Nies, A. KimbleElectric controllerelectrical devices
1,120,709Dec. 15, 1914E.L. Gale, Sr.Automatic Starter for Electric Motorsmotor controls
1,128,005Feb. 09, 1915J.D. Nies, A. KimbleAdjustable speed control for electric motorselectric motors
1,194,645Aug. 15, 1916J.C. LincolnVariable Speed Electric MotorDC motors
1,227,400May 22, 1917M. von Dolivo-DobrowolskyElectric motorsynchronous motors
1,587,566Jun. 08, 1926H.B. TuthillElectric-motor unitwood lathes
1,786,772Dec. 30, 1930J.D. NiesMotor-control meanselectric motors
1,976,048Oct. 09, 1934H.B. Tuthill, H.F. CaldwellMotor driven lathe headwood lathes
2,082,496Jun. 01, 1937W.H. HoweVoltage Regulation and Circuits Thereforvoltage regulators
2,213,191Sep. 03, 1940H.L. JohnstonFood handling apparatus
2,351,878Jun. 20, 1944P.S. RusselControlling Meansflow controls
2,609,524Sep. 02, 1952C.E. GreeneElectric Control Systemmachine tool controls
2,631,264Mar. 10, 1953A.G. ThomasMagnetic Motorelectric motors
2,864,047Dec. 09, 1958W.H. Ulman, C.E. GreeneMotor control system
2,926,295Feb. 23, 1960K.C. AllenPulsing motor system
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