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Patents for James Swan
Patents 1 - 15 of 65
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NumberDatePatenteeTitleType
68,012Aug. 20, 1867J. SwanManufacture of Single Twist Augersmaking drills and augers
70,288Oct. 29, 1867J. SwanImprovement in machines for stripping willow
76,955Apr. 21, 1868J. SwanImproved Machine for Making Auger-Bitsmaking drills and augers
76,956Apr. 21, 1868J. SwanImprovement in auger-handleshand drills
78,769Jun. 09, 1868J. SwanMachine for Upsetting Cook's Bitsmaking drills and augers
80,027Jul. 14, 1868J. SwanImprovement in the Manufacture of Auger-Bitsmaking drills and augers
96,847Nov. 16, 1869J. SwanDie for Forming Cook's Bitsmaking drills and augers
97,830Dec. 14, 1869J. SwanImprovement in Auger-Handlesauger handles
99,970Feb. 15, 1870J. SwanMachine for Grinding & Polishing Bitsmaking drills and augers
100,816Mar. 15, 1870J. SwanMachine for Upsetting Cook's Bitsmaking drills and augers
112,419Mar. 07, 1871W. ClevelandBit-bracebraces
115,541May 30, 1871J. SwanImprovement in Augersauger bits
116,509Jun. 27, 1871J. SwanImprovement in machines for forming lips of auger-bitstool making machines
RE4,516Aug. 15, 1871J. SwanMachine for Upsetting Cook's Bitsmaking drills and augers
RE4,517Aug. 15, 1871J. SwanMachine for Upsetting Cook's Bitsmaking drills and augers
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