| All Patents in class 81/356 |
Patents 1 -
10
of 80
      |
| Picture | Number | Date | Patentee | Title |
 | 14,243 | Feb. 12, 1856 | F. Keehnold | Improvement in the Construction and Manufacturing of Adjustable Wrenches for Machinery and Carriages and other Purposes |
 | 52,065 | Jan. 16, 1866 | J. Moulton | Wrench |
 | 54,178 | Apr. 24, 1866 | W.H. Landbeck | Landbeck's Universal Wrench |
 | 64,676 | May 14, 1867 | W.H. Landbeck | Improvement in Wrenches |
 | 95,706 | Oct. 12, 1869 | V.K. McElheny | Improvement in Combined Pipe-Tongs and Wrench |
 | 125,221 | Apr. 02, 1872 | J.E. Roache | Improvement in Pipe Tongs |
 | 134,440 | Dec. 31, 1872 | J.E. Roache | Pipe-Tongs and Cutters |
 | 162,317 | Apr. 20, 1875 | H.R. Sloat | Improved Monkey-Wrench |
 | 222,484 | Dec. 09, 1879 | D.P. Foster | Improvement in Pipe-Wrenches |
 | 222,787 | Dec. 23, 1879 | S.E. Hurlbut | Adjustable Wrench |
