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All Patents in class 279/78
Patents 1 - 12 of 12
First set of recordsLast set of records
NumberDatePatenteeTitleType
5,087Apr. 24, 1847M. AndrewsBitstockbrace chucks
39,419Aug. 04, 1863O. PeckPivoted jaw engaging notch on shank: closed by screw or sleevebrace chucks
40,275Oct. 13, 1863O. PeckImprovement in attaching bits to bracesbrace chucks
40,412Oct. 27, 1863C.F. HunterHolding bits in their socketsbrace chucks
50,480Oct. 17, 1865C.E. LombardBit stockbrace chucks
81,260Aug. 18, 1868S.W. DavisImprovement in bit-stocksbrace chucks
106,754Aug. 23, 1870C.P. WhitmanImprovement in bit-stocksbrace chucks
116,090Jun. 20, 1871W.S. PattinImprovement in Extension-Shanks for Boring-Bitsdrill bit extensions
163,896Jun. 01, 1875D.F. SuttonImprovement in bit-stocksbrace chucks
463,440Nov. 17, 1891W. CameronBit-stock
759,042May 03, 1904W.B. SwanBit-Extenderdrill bit extensions
810,230Jan. 16, 1906W.B. SwanBit-Extenderdrill bit extensions
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