| All Patents in class 81/423 |
Patents 1 -
10
of 51
      |
| Picture | Number | Date | Patentee | Title |
 | 54,178 | Apr. 24, 1866 | W.H. Landbeck | Landbeck's Universal Wrench |
 | 78,299 | May 26, 1868 | N.F. Loi | Improvement in Pipe-Wrenches |
 | 120,910 | Nov. 14, 1871 | J. Stratton | J. Stratton's Pipe Tongs |
 | 124,654 | Mar. 19, 1872 | L. Anderson | Improvement In Pipe-Wrenches |
 | RE4,917 | May 28, 1872 | H. Herbert | Improvement in Pipe-Tongs |
 | 130,278 | Aug. 06, 1872 | W. Campbell | Improvement in Pipe-Tongs |
 | 186,099 | Jan. 09, 1877 | E.F. Barnes | Pipe Tongs and Cutter |
 | 186,925 | Feb. 06, 1877 | W. Dicks | Improvements in Adjustable-Grasp Wrenches |
 | 187,265 | Feb. 13, 1877 | A.E. Gay | Pipe-Tongs |
 | 198,709 | Dec. 25, 1877 | W.E. Thornton | Pipe-Wrench With Cutter |
