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All Patents in class 74/393
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
	2,481,153	Sep. 06, 1949	E.J. Robichaud	Driving Mechanism for Automatic Bar Stock Machines and the Like

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