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All Patents of Type: drill bits
Patents 1 - 15 of 579
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NumberDatePatenteeTitleType
GB-127Jun. 24, 1642J. Crupley, W. WheelerRaising water; auger for boring wood; fixing piles without driving; raising weightsauger bits
426XFeb. 14, 1803A. StowellAuger Gageauger bits
566XJul. 12, 1804C. HoxieAugerauger bits
722XFeb. 07, 1807W. HaleAugerauger bits
1,114XJul. 31, 1809E. L'HommedieuDouble podded central screw augerauger bits
1,400XDec. 11, 1810W. Sebree, O. StetsonMethod of Using the Common Screw Augersauger bits
2,096XApr. 02, 1814M. HoweAugerauger bits
2,313XMay 16, 1815J. BrownellAugerauger bits
2,642XJul. 17, 1816E. L'HommedieuSingle twist screw augerauger bits
2,910XFeb. 14, 1818C. JacksonAuger to Bore Square Holes, &c.auger bits
3,109XMay 29, 1819R. ThomasTube augerauger bits
3,912XJul. 26, 1824C. HoxieAuger for boring post holesauger bits
4,168XJul. 20, 1825S. GoreStrap augerauger bits
4,509XAug. 07, 1826H. BranchMortising machinemortising machines
4,520XAug. 17, 1826J.H. SchreinerAugerauger bits
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