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All Patents in class 318/739
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
390,820Oct. 09, 1888N. TeslaRegulator for Alternate-Current Motors
2,600,779Jun. 17, 1952F.O. Wetzel, C.E. Linden, R.N. KnospControl mechanism for tapping machinestapping machines
2,664,473Dec. 29, 1953S.S. BrownSelector switchelectric switches
2,999,920Sep. 12, 1961S.S. BrownMotorized adjustable hospital bedgear motors
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