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All Patents in class 81/37
Patents 1 - 15 of 32
First set of recordsNext set of recordsLast set of records
17,891Jul. 28, 1857C.C. PlaistedBit, brace, for boring obliquely to the axis of the stockcorner braces
18,282Sep. 29, 1857B.B. HillBit-holdercorner braces
19,028Jan. 05, 1858B.B. Hill, S.W. AdamsBit-holdercorner braces
32,618Jun. 25, 1861J.F. CoryBit stock with double universal jointcorner braces
132,790Nov. 05, 1872Q.S. BackusImprovement in bit-stocksbrace chucks
171,255Dec. 21, 1875J.W. AnthoineAngular adjustable bit-stockhand drills
298,542May 13, 1884C.H. AmidonBit-brace
301,339Jul. 01, 1884W.R. ClarksonBit-brace
378,274Feb. 21, 1888A.D. WhiteBit-brace
512,237Jan. 02, 1894G.D. StrayerAngling boring brace
560,351May 19, 1896M. GoetzeDevice For Producing Dimples (human)
583,922Jun. 08, 1897S. McCellanBit-brace with right-angled V-guide frame
585,531Jun. 29, 1897S. McClellanCorner brace
586,053Jul. 06, 1897W.H. McCoyAngle-Borerdrill accessories
617,462Jan. 10, 1899W.W. DavisCombination toolcombination tools
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