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All Patents in class 408/210
Patents 1 - 8 of 8
First set of recordsLast set of records
2,642XJul. 17, 1816E. L'HommedieuSingle twist screw augerauger bits
8,350XAug. 08, 1834N.C. SanfordWood augerauger bits
8,896XJun. 15, 1835W. JonesHollow Auger Bithollow bits
3,899Jan. 31, 1845W.N. ClarkSingle-Twist Auger, Gimlet, &c.auger bits
5,036Mar. 27, 1847A. Newton, L.B. Smith, E. SanfordWood augerauger bits
26,613Dec. 27, 1859N.B. PhelpsAugerauger bits
324,763Aug. 18, 1885L.M. FosterBoring-Bit or Augerauger bits
770,480Sep. 20, 1904G.A. StangerAuger-Bitauger bits
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