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All Patents in class 318/781
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
401,520Apr. 16, 1889N. TeslaMethod of Operating Electro-Magnetic Motors
416,193Dec. 03, 1889N. TeslaElectro-Magnetic Motor
416,195Dec. 03, 1889N. TeslaElectro-Magnetic Motor
433,700Aug. 05, 1890N. TeslaAlternating-current electro-magnetic motor
433,701Aug. 05, 1890N. TeslaAlternating-current motor
524,426Aug. 14, 1894N. TeslaElectromagnetic Motor
530,176Dec. 04, 1894L. GutmannAlternating-current motor and method of operating sameelectric motors
731,996Jun. 23, 1903R. EickemeyerMethod of operating alternating-current electric motors
2,055,049Sep. 22, 1936C.A. RallElectric motorrepulsion start induction run motors
3,484,670Dec. 16, 1969H.J. ShankwitzSoft start capacitor-start motorcapacitor start induction motors
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