Patents for William A. Rogers


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Patents for William A. Rogers
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	301,165	Jul. 01, 1884	G.F. Ballou, W.A. Rogers	Apparatus for Cutting Screws
	354,740	Dec. 21, 1886	W.A. Rogers	Measuring devices for lathe