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All Patents in class 279/76
Patents 1 - 15 of 33
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
9,814XJun. 30, 1836J. TaylorBit stockhand drills
12,868May 15, 1855E.W. NicholsAugers and braces (securing bits in their sockets)brace chucks
33,899Dec. 10, 1861C. MorrillBit brace with clam action chuck to engage bit recessbrace chucks
37,196Dec. 16, 1862D. KellySecuring bits in stock: recessed bit shankbrace chucks
44,822Oct. 25, 1864C.B. RoseMode of securing bits in bracesbrace chucks
51,133Nov. 28, 1865L. BronsonImproved Tool for Squaring the Ends of Shaftinglathe tools
52,042Jan. 16, 1866J.P. GordonBit holders for bracesbrace chucks
162,874May 04, 1875W. WellsAuger-Bit Extensiondrill bit extensions
196,354Oct. 23, 1877S. HarrisImprovement in Combined File and Screwdrivercombination tools
201,379Mar. 19, 1878C.H. AmidonImprovement in bit-bracesbrace chucks
267,732Nov. 21, 1882O.D. WarfieldBit-stock
271,549Jan. 30, 1883D. TrueCarriage Wrenchaxle nut wrenches
357,429Feb. 08, 1887E. WalkerTool-Handle for Interchangable Toolschisels
368,744Aug. 23, 1887W.N. WoodruffShaft-keyindustrial machine mechanisms
484,654Oct. 18, 1892W.E. DailyScrew-drivereggbeater drills
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