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All Patents in class 408/208
Patents 1 - 15 of 15
First set of recordsLast set of records
60,342Dec. 11, 1866S.S. CrockerTap Borer & Reamertapered reamers
82,374Sep. 22, 1868H. Asbury, J.G. BakerImprovement in Bung-Borerstapered reamers
130,488Aug. 13, 1872R.J. CroacherImprovement in Reamerstapered reamers
132,883Nov. 05, 1872R.A. WhitmoreImprovement in Auger-Bitsdrill bits
332,274Dec. 15, 1885P. MillerHollow augeraugers
410,863Sep. 10, 1889J. SwanBung Borertapered reamers
424,565Apr. 01, 1890P. MillerAugerportable timber mortisers
710,700Oct. 07, 1902J. LundBoring Implementhollow bits
877,592Jan. 28, 1908P.J. Creedon, W.G. ParryHead for Boring-Bitshollow bits
952,916Mar. 22, 1910W.G. LloydReamer and Augertapered reamers
965,664Jul. 26, 1910T.E. StevensonBung-Hole Borer/Reamertapered reamers
1,139,198May 11, 1915J. LundAugerauger bits
1,352,313Sep. 07, 1920R. PrewAugertapered reamers
1,712,876May 14, 1929J.V. DolezalWire-Threading Bithollow bits
2,794,469Jun. 04, 1957W.H. ShortellHole sawshollow bits
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