Patents for Henry W. Mason


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Patents for Henry W. Mason
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
16,900	Mar. 24, 1857	G.C. Taft	Feeding Drill-Shafts	horizontal drilling machines
17,609	Jun. 16, 1857	G.C. Taft	Improved Screw-Wrench	nut wrenches