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All Patents in class 338/301
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
928,394	Jul. 20, 1909	H.I. Finch, C.R. Meston	Rheostat	electrical devices
1,369,407	Feb. 22, 1921	F. Diehl	Rheostat
1,437,629	Dec. 05, 1922	H.L. Zabriskie	Rheostat

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