| All Patents in class 81/423 |
Patents 1 -
15
of 51
      |
| Number | Date | Patentee | Title | Type |
| 54,178 | Apr. 24, 1866 | W.H. Landbeck | Landbeck's Universal Wrench | wrench handle components |
| 78,299 | May 26, 1868 | N.F. Loi | Improvement in Pipe-Wrenches | pipe tongs |
| 120,910 | Nov. 14, 1871 | J. Stratton | J. Stratton's Pipe Tongs | pipe tongs |
| 124,654 | Mar. 19, 1872 | L. Anderson | Improvement In Pipe-Wrenches | pipe tongs |
| RE4,917 | May 28, 1872 | H. Herbert | Improvement in Pipe-Tongs | pipe tongs |
| 130,278 | Aug. 06, 1872 | W. Campbell | Improvement in Pipe-Tongs | pipe tongs |
| 186,099 | Jan. 09, 1877 | E.F. Barnes | Pipe Tongs and Cutter | pipe tongs |
| 186,925 | Feb. 06, 1877 | W. Dicks | Improvements in Adjustable-Grasp Wrenches | quick adjust wrenches |
| 187,265 | Feb. 13, 1877 | A.E. Gay | Pipe-Tongs | pipe tongs |
| 198,709 | Dec. 25, 1877 | W.E. Thornton | Pipe-Wrench With Cutter | pipe tongs |
| 206,795 | Aug. 06, 1878 | A.H. Jarecki | Pipe-Tongs | pipe tongs |
| 210,698 | Dec. 10, 1878 | O.B. Lay, W.L. Lay | Pipe-Tongs | pipe tongs |
| 213,376 | Mar. 18, 1879 | C.H. Lovrien, H. Banister | Pipe-Tong | pipe tongs |
| 216,014 | Jun. 03, 1879 | H. Banister | Pipe-Tongs | pipe tongs |
| 234,304 | Nov. 09, 1880 | C.H. Lovrien | Pipe Tongs | pipe tongs |
