All Patents in class 318/739


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All Patents in class 318/739
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	390,820	Oct. 09, 1888	N. Tesla	Regulator for Alternate-Current Motors
	2,600,779	Jun. 17, 1952	R.N. Knosp, C.E. Linden, F.O. Wetzel	Control mechanism for tapping machines
	2,664,473	Dec. 29, 1953	S.S. Brown	Selector switch
	2,999,920	Sep. 12, 1961	S.S. Brown	Motorized adjustable hospital bed