| All Patents of Type: tap wrenches and die stocks |
Patents 1 -
15
of 79
      |
| Number | Date | Patentee | Title | Type |
| 72,747 | Dec. 31, 1867 | D. McArthur | Diestock for Cutting Screws | tap wrenches and die stocks |
| 81,182 | Aug. 18, 1868 | W.J. Linton | Tool Holder | tap wrenches and die stocks |
| 87,133 | Feb. 23, 1869 | B.F. Bee | Improved Mode of Constructing Wrenches, or Levers for Turning Taps | tap wrenches and die stocks |
| 111,647 | Feb. 07, 1871 | E. Simonds, G.W. Huntoon | Tap Wrench | tap wrenches and die stocks |
| 112,101 | Feb. 21, 1871 | R. White | Wrench | tap wrenches and die stocks |
| 120,266 | Oct. 24, 1871 | J.J. Grant | Improvement in Dies for Cutting Screw Threads | tap wrenches and die stocks |
| 129,472 | Jul. 16, 1872 | J.J. Grant | Tap Wrench | tap wrenches and die stocks |
| 132,058 | Oct. 08, 1872 | D. Cumming, Jr. | Improvement in Attachment for Wrenches | wrench handle components |
| CA-1,765 | Nov. 12, 1872 | J.J. Grant | Die for cutting screw threads | tap wrenches and die stocks |
| 136,153 | Feb. 25, 1873 | J.J. Grant | Improvement in die-stocks for cutting screws | tap wrenches and die stocks |
| 167,165 | Aug. 31, 1875 | J.J. Grant | Improvement in die-stocks | tap wrenches and die stocks |
| 170,119 | Nov. 16, 1875 | A. Saunders | Threading Die Stock | tap wrenches and die stocks |
| 170,949 | Dec. 14, 1875 | J.J. Grant | Improvement in screw-cutting die holders | tap wrenches and die stocks |
| 172,854 | Feb. 01, 1876 | J.J. Grant | Improvement in Tap-Wrenches | tap wrenches and die stocks |
| 177,820 | May 23, 1876 | J.F. Dunigan | Tap Wrench | tap wrenches and die stocks |
