| All Patents in class 81/394 |
Patents 1 -
10
of 21
      |
| Picture | Number | Date | Patentee | Title |
 | 63,689 | Apr. 09, 1867 | R. Bain | Improvement in Pipe Wrenches |
 | 65,162 | May 28, 1867 | J.R. Brown | Improvement in Pipe-Tongs |
 | 133,092 | Nov. 19, 1872 | A. Gomersall | Improvement in Pipe-Tongs |
 | 172,649 | Jan. 25, 1876 | A.A. Pease | Improvement in Pipe-Tongs |
 | 189,615 | Apr. 17, 1877 | W. Eberhard | Pipe-Wrench |
 | 199,539 | Jan. 22, 1878 | G.A. Harbaugh | Pipe-Tongs |
 | 252,248 | Jan. 10, 1882 | A.A. Pease | Adjustable Tool |
 | 377,827 | Feb. 14, 1888 | H.W. Hackley | Wrench |
 | 522,471 | Jul. 03, 1894 | J. Kohler | Combination Tool For Pipe Fitting |
 | 582,755 | May 18, 1897 | W.B. Marble | Tongs |
