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Patents for Henry C. Tyler
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
168,696Oct. 11, 1875M.G. Wilder, S.H. Wilder, W.H. McNeil, H.C. TylerImprovement in mortising machinesmortising machines
168,862Oct. 19, 1875M.G. Wilder, W.H. McNeil, H.C. TylerImprovement in boring-machinesdrilling and boring
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