All Patents in class 336/212


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

All Patents in class 336/212
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	375,614	Dec. 27, 1887	R. Eickemeyer	Sparker-coil for gas-lighting
	433,702	Aug. 05, 1890	N. Tesla	Electrical transformer or induction device
	2,346,094	Apr. 04, 1944	E.A. Vogel	Ignition Device