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All Patents in class 279/76
Patents 1 - 10 of 64
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PictureNumberDatePatenteeTitle
9,814XJun. 30, 1836J. TaylorBit stock
12,868May 15, 1855E.W. NicholsAugers and braces (securing bits in their sockets)
33,899Dec. 10, 1861C. MorrillBit brace with clam action chuck to engage bit recess
37,196Dec. 16, 1862D. KellySecuring bits in stock: recessed bit shank
44,822Oct. 25, 1864C.B. RoseMode of securing bits in braces
  51,133Nov. 28, 1865L. BronsonImproved Tool for Squaring the Ends of Shafting
52,042Jan. 16, 1866J.P. GordonBit holders for braces
162,874May 04, 1875W. WellsAuger-Bit Extension
196,354Oct. 23, 1877S. HarrisImprovement in Combined File and Screwdriver
201,379Mar. 19, 1878C.H. AmidonImprovement in bit-braces
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