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Patents for William Martin Jr.
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
5,331Oct. 16, 1847M. Fisher, W. Martin, Jr.Improvement in Welding Cast-Iron to Malleable Iron or Steelblacksmith
125,642Apr. 09, 1872C. WhitusImprovement in bit-bracesbraces
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