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All Patents in class 192/84.91
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,049,957	Jan. 07, 1913	A.W. Whitcomb	Friction Clutch
	1,327,506	Jan. 06, 1920	M. Walker	Magnetic clutch
	2,816,454	Dec. 17, 1957	A.T. Godschalx, E.E. Hosea	Positioning Means for Machine Tools

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