All Patents in class 200/277


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All Patents in class 200/277
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,772,964	Aug. 12, 1930	R.F. Shunk	Handle switch construction
	3,072,768	Jan. 08, 1963	R. Happe, J.P. Yelpo	Built-in switch for insulated portable electric tools