| Patents for John J. Grant |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
 | 120,266 | Oct. 24, 1871 | J.J. Grant | Improvement in Dies for Cutting Screw Threads |
 | 129,472 | Jul. 16, 1872 | J.J. Grant | Tap Wrench |
 | 129,548 | Jul. 16, 1872 | J.J. Grant | Improvement in devices for grinding rotary cutters |
 | 136,153 | Feb. 25, 1873 | J.J. Grant | Improvement in die-stocks for cutting screws |
 | 167,165 | Aug. 31, 1875 | J.J. Grant | Improvement in die-stocks |
 | 170,949 | Dec. 14, 1875 | J.J. Grant | Improvement in screw-cutting die holders |
 | 172,854 | Feb. 01, 1876 | J.J. Grant | Improvement in Tap-Wrenches |
 | 173,780 | Feb. 22, 1876 | J.J. Grant | Improvement in screw-cutting dies |
 | 204,028 | May 21, 1878 | F.N. Gardner, N. Sawyer, J.J. Grant | Improvement in screw-cutting dies |
 | 684,508 | Oct. 15, 1901 | J.J. Grant | Tool-rest adjustment |
