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All Patents in class 81/325
Patents 1 - 6 of 6
Picture	Number	Date	Patentee	Title
	186,925	Feb. 06, 1877	W. Dicks	Improvements in Adjustable-Grasp Wrenches
	523,136	Jul. 17, 1894	G. Trakofler	Wrench
	1,134,980	Apr. 06, 1915	I. Pfeiffer, Jr.	Pincers
	1,214,448	Jan. 30, 1917	W. Francis	Frictional Pliers Lock For Twisting Wires
	1,772,224	Aug. 05, 1930	W.A. Peterson	Pliers
	2,691,317	Oct. 12, 1954	E.T. Olson	Locking Device For Pipe Wrenches

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