All Patents in class 83/691


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All Patents in class 83/691
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	676,782	Jun. 18, 1901	E.B. Stimpson	Mechanism for oblique punching
	3,063,319	Nov. 13, 1962	E.M. Johnson	Machine punch having ejector pin retaining means