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Patents for Francis N. Whitcomb
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
160,982Mar. 16, 1875F.N. WhitcombImprovement in head-blocks for saw-millssawmill headblocks
160,983Mar. 16, 1875F.N. WhitcombImprovement in head-blocks for saw-millssawmill headblocks
166,170Jul. 27, 1875F.N. Whitcomb, D. RawsonImprovement in circular-saw millscircular sawmills
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