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Patents Granted on 1847-10-16
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
5,331Oct. 16, 1847M. Fisher, W. Martin, Jr.Improvement in Welding Cast-Iron to Malleable Iron or Steelblacksmith
5,334Oct. 16, 1847A. CaldwellImprovement in cutter-heads for planing-machinescutters
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