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Patents for Charles N. Trump
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
162,588Apr. 27, 1875S.N. Trump, C.N. TrumpImprovement in scroll-sawing machinesscrollsaws
184,445Nov. 14, 1876S.N. Trump, C.N. TrumpCollet chuckdrill press chucks
185,270Dec. 12, 1876C. Frederick, S.N. Trump, C.N. TrumpImprovement in scroll-sawing machinesscrollsaws
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