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Patents Granted on 1864-03-22
Patents 1 - 7 of 7
First set of recordsLast set of records
41,983Mar. 22, 1864G.F. EvansImprovement in Plane-Stockscircular planes
41,992Mar. 22, 1864S.E. HartwellImprovement in dovetailing-machinesdovetailing machines
41,995Mar. 22, 1864H.W. HewetHewet Union Wrenchnut wrenches
42,011Mar. 22, 1864W. MortonImprovement in Drilling Machinesdrill presses
42,012Mar. 22, 1864D. MunsonPaper-Rulerrules
42,034Mar. 22, 1864S. WarnerImprovement in saws for felling treestree felling machines
42,054Mar. 22, 1864D.F. Tompkins, F. Willcox, W. WattsImprovement in spikes and nails
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