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All Patents in class 72/332
Patents 1 - 6 of 6
First set of recordsLast set of records
13,780Nov. 13, 1855R. CookDies for Making Cook's Bitsmaking drills and augers
68,012Aug. 20, 1867J. SwanManufacture of Single Twist Augersmaking drills and augers
355,692Jan. 11, 1887C. HarrisSaw setsaw sets
955,117Apr. 12, 1910F.I. EllisPipe Crushing and Shearing Machinemetal shears
1,121,675Dec. 22, 1914A.O. SlentzPower slip-joint-forming machinesheet metal flanging machines
1,838,470Dec. 29, 1931F.J. VlchekManufacture of Swaged and Tempered Articlesmetalworking machines
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