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All Patents in class 475/208
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,611,042	Dec. 14, 1926	M.K. Akers, H.L. Johnston	Variable-speed mechanism
	2,495,312	Jan. 24, 1950	T. Foster, S.A. Bradenburg, C.A. Bickel	Power Unit for Machine Tools

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