All Patents in class 403/57


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All Patents in class 403/57
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	500,572	Jul. 04, 1893	R.J. Gillham	Pocket-Rule
	751,485	Feb. 09, 1904	C.A. Eck	Fan
	1,371,750	Mar. 15, 1921	W.R. Fox	Flexible shaft-coupling
	4,936,701	Jun. 26, 1990	J.S. Amtmann, K.D. Allen	Universal Joint with Rotating Holder Sleeve