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All Patents in class 475/218
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	887,010	May 05, 1908	E.J. McClellan	Speed Change Gearing
	1,692,487	Nov. 20, 1928	E.L. Connell	Motor-driven threading tool
	1,709,233	Apr. 16, 1929	O.C. Schroeder	Mechanical movement
	2,374,256	Apr. 24, 1945	W.F. Zimmermann	Gear Transmission
	2,495,312	Jan. 24, 1950	T. Foster, S.A. Bradenburg, C.A. Bickel	Power Unit for Machine Tools

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