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All Patents in class 338/184
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,201,921	Oct. 17, 1916	C.H. Beach	Rheostat
	1,369,407	Feb. 22, 1921	F. Diehl	Rheostat
	1,552,373	Sep. 01, 1925	B.F. Winterhoff	Electric gauge for gasoline tanks

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