All Patents in class 318/137


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All Patents in class 318/137
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	459,772	Sep. 22, 1891	N. Tesla	Electro-magnetic motor
	1,073,662	Sep. 23, 1913	J. Burke	Means for controlling synchronous machines
	1,102,116	Jun. 30, 1914	J.J. Wood	Dynamo-electric machine
	1,373,621	Apr. 05, 1921	J.F. Lincoln	Safety Charging Device for Batteries
	1,947,423	Feb. 13, 1934	J.M. Naul	Phonograph motor