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Patents for James Swan
Patents 1 - 10 of 65
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PictureNumberDatePatenteeTitle
68,012Aug. 20, 1867J. SwanManufacture of Single Twist Augers
70,288Oct. 29, 1867J. SwanImprovement in machines for stripping willow
76,955Apr. 21, 1868J. SwanImproved Machine for Making Auger-Bits
76,956Apr. 21, 1868J. SwanImprovement in auger-handles
78,769Jun. 09, 1868J. SwanMachine for Upsetting Cook's Bits
80,027Jul. 14, 1868J. SwanImprovement in the Manufacture of Auger-Bits
96,847Nov. 16, 1869J. SwanDie for Forming Cook's Bits
97,830Dec. 14, 1869J. SwanImprovement in Auger-Handles
99,970Feb. 15, 1870J. SwanMachine for Grinding & Polishing Bits
100,816Mar. 15, 1870J. SwanMachine for Upsetting Cook's Bits
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