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All Patents in class 72/335
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	184,158	Nov. 07, 1876	H.W. Kip	Method of Making Hammers
	432,528	Jul. 22, 1890	C.S. Hamlin, A.C. Harper	Machine for Punching and Riveting
	2,348,875	May 16, 1944	C.L. Beard	Punch and die

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