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All Patents of Type: center punches
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
34,412Feb. 18, 1862F. DeluceCentering Implementcenter punches
49,553Aug. 22, 1865S. Sawyer, E.E. SaffordImproved Adjustable Center-Punchcenter punches
50,442Oct. 17, 1865M. BowkerCenter-Punchcenter punches
82,131Sep. 15, 1868E.E. LazellCentering Devicecenter punches
843,655Feb. 12, 1907J.A. Adell, L.S. StarrettAutomatic Prick-Punchcenter punches
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