| Patents for James Swan |
Patents 31 -
45
of 65
      |
| Number | Date | Patentee | Title | Type |
| 285,440 | Sep. 25, 1883 | J. Swan | Auger | drill bits |
| 290,812 | Dec. 25, 1883 | J. Swan | Auger-Bit | auger bits |
| 302,527 | Jul. 22, 1884 | J. Swan | Machine for Milling Augers | making drills and augers |
| 303,239 | Aug. 05, 1884 | J. Swan | Mechanism for Manufacturing Augers | making drills and augers |
| 307,074 | Oct. 21, 1884 | J. Swan | Tool for Cutting the Floor-Lip and Cutting-Spur of Auger-Bits | making drills and augers |
| 313,456 | Mar. 03, 1885 | J. Swan | Machine for the Manufacture of Auger-Bits | making drills and augers |
| 320,097 | Jun. 16, 1885 | J. Swan | Auger | auger bits |
| 337,888 | Mar. 16, 1886 | J. Swan | Bit holder (Wooden Case) | |
| 341,520 | May 11, 1886 | J. Swan | Boring-Machine | portable timber mortisers |
| 354,073 | Dec. 07, 1886 | J. Swan | Boring-machine | portable timber borers |
| 357,245 | Feb. 08, 1887 | J. Swan | Ratchet Screw Driver Handle | ratcheting screwdrivers |
| 381,092 | Apr. 10, 1888 | J. Swan | Machine for Grooving Bit-Blanks | making drills and augers |
| 386,903 | Jul. 31, 1888 | J. Swan | Adjustable Handle Draw Knife | draw knives |
| 387,188 | Jul. 31, 1888 | J. Swan | Machine for Cutting Floor-Lips and Spurs on Augers and Bits | making drills and augers |
| 398,910 | Mar. 05, 1889 | J. Swan | Die for Making Chisels | making chisels |
