| All Patents of Type: wrench adjustment types |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 76,519 | Apr. 07, 1868 | A.S. Petrie | Improvement inWrenches | nut wrenches |
| 447,379 | Mar. 03, 1891 | J.H. Stiles | Wrench | wrench adjustment types |
| 539,890 | May 28, 1895 | E.A. Cochran | Wrench | wrench adjustment types |
| 613,213 | Oct. 25, 1898 | W.F. Murphy | Wrench | wrench adjustment types |
| 674,278 | May 14, 1901 | J. McNutt | Wrench and Clamp | bar and pipe clamps |
| 1,218,316 | Mar. 06, 1917 | M.A. Rice | Wrench | wrench adjustment locks |
| 2,452,625 | Nov. 02, 1948 | H. Alpers | Screw and Toggle Adjusted Wrench and Clamp | wrench adjustment types |
