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Patents for Columbian Hardware Co.
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	790,540	May 23, 1905	H.J. Valentine	Universal vise
	1,298,145	Mar. 25, 1919	G.M. Yost	Columbian Model 3B
	1,298,146	Mar. 25, 1919	G.M. Yost	Columbian Model 1A

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