Patents for D. C. Colby


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Patents for D. C. Colby
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	73,344	Jan. 14, 1868	C. Kendig	Improvement in Clamps for Filing Saws
	89,130	Apr. 20, 1869	D.C. Cumings	Improvement in vises