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All Patents in class 408/214
Patents 1 - 15 of 62
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1,114XJul. 31, 1809E. L'HommedieuDouble podded central screw augerauger bits
2,642XJul. 17, 1816E. L'HommedieuSingle twist screw augerauger bits
8,349XAug. 08, 1834A. NewtonWood augerauger bits
8,350XAug. 08, 1834N.C. SanfordWood augerauger bits
9,169XOct. 14, 1835O.B. PercivalGimletgimlets
5,036Mar. 27, 1847A. Newton, L.B. Smith, E. SanfordWood augerauger bits
6,221Mar. 27, 1849N.C. SanfordMeans of auger manufactureauger bits
8,162Jun. 17, 1851R. CookAugerauger bits
11,280Jul. 11, 1854W. SpanglerAugers, gimlets, &c.auger bits
12,551Mar. 20, 1855I.W. HoaglandAuger Bit With Detachable Cutting Lipauger bits
13,897Dec. 04, 1855C.C. TolmanGimletgimlets
14,752Apr. 22, 1856K. CurtisImproved augerauger bits
21,960Nov. 02, 1858W.O. HickokTap for Cutting Wooden Screwsdrill bits
25,512Sep. 20, 1859J. KirbyBung-Hole Borer & Reamertapered reamers
26,613Dec. 27, 1859N.B. PhelpsAugerauger bits
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