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Patents for A. D. Allen
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	358,731	Mar. 01, 1887	H. Clark	Countersink
	621,293	Mar. 14, 1899	G.F. Crass	Chain Pipe Wrench
	631,664	Aug. 22, 1899	W.M. Potter	Saw Vise

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