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All Patents in class 242/413.5
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,662,660	Mar. 13, 1928	H.C. Clay	Controller for Variable Speed Transmission
	1,663,493	Mar. 20, 1928	H.C. Clay	Control for Variable Speed Mechanism
	3,977,621	Aug. 31, 1976	H.W. Huffman	Differential driven rewinder-unwinder

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