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