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All Patents of Type: pin punches
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
430,299Jun. 17, 1890J.R. RandCenter Boring and Marking Tooltwist drill bits
824,867Jul. 03, 1906W. HoughtonCombined Marking-Peg and Center-Punchpin punches
1,003,043Sep. 12, 1911A.D. GoughnourCenter Punch Gagepin punches
1,273,441Jul. 23, 1918E.A. BardwellMethod or Process of Nurlingpin punches
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