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Patents Granted on 1857-02-24
Patents 1 - 4 of 4
First set of recordsLast set of records
16,681Feb. 24, 1857I.H. CollerFile-cutting machinetool making machines
16,695Feb. 24, 1857A. Robins, A. Shewman, L.E. BigelowSaw-filesaw sharpening machines
16,697Feb. 24, 1857J. SpillerSaw setsaw sets
16,705Feb. 24, 1857P.H. NilesDevice to operate the mandrel-cutters in turning tapering stickswood lathes
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