| Patents for James Swan Co. |
Patents 1 -
15
of 30
      |
| Number | Date | Patentee | Title | Type |
| 8,162 | Jun. 17, 1851 | R. Cook | Auger | auger bits |
| RE2,513 | Mar. 19, 1867 | R. Cook | Improvement in Augers | auger bits |
| 97,830 | Dec. 14, 1869 | J. Swan | Improvement in Auger-Handles | auger handles |
| 112,419 | Mar. 07, 1871 | W. Cleveland | Bit-brace | braces |
| 115,541 | May 30, 1871 | J. Swan | Improvement in Augers | auger bits |
| 132,608 | Oct. 29, 1872 | J. Swan | Hand-cranked chain mortiser for timbers | portable timber mortisers |
| 170,413 | Nov. 23, 1875 | J. Swan | Improvement in Auger-Handles | auger handles |
| 210,220 | Nov. 26, 1878 | J. Swan | Improvement in boring machines | portable timber mortisers |
| 260,135 | Jun. 27, 1882 | J. Swan | Screw-Driver | screwdriver handles |
| 279,204 | Jun. 12, 1883 | J. Swan | Adjustable Auger | adjustable drill bits |
| 285,440 | Sep. 25, 1883 | J. Swan | Auger | drill bits |
| 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 |
