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All Patents in class 72/332
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
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 shearing machines
1,121,675Dec. 22, 1914A.O. SlentzPower slip-joint-forming machinesheet metal flanging machines
1,561,803Nov. 17, 1925H.C. SmithStrip-Straightening Attachment For Rotary Shearsmetal shearing machines
1,838,470Dec. 29, 1931F.J. VlchekManufacture of Swaged and Tempered Articlesmetalworking machines
2,337,881Dec. 28, 1943F.W. Gaines, IIIWire Drawing Machine and Methodwire drawing machines
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