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Patents for David Hinman
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
7,275XNov. 02, 1832D. HinmanMachine for making axes, hatchets, chisels, &c.tool making machines
7,631XJun. 29, 1833D. HinmanMachine for forging axestool making machines
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