| All Patents in class 81/158 |
Patents 1 -
15
of 49
      |
| Number | Date | Patentee | Title | Type |
| 8,922 | May 04, 1852 | A. Hotchkiss | Adjustable Screw-Slide Wrench | screw adjust wrenches |
| 13,617 | Oct. 02, 1855 | J. Hyde | Screw-Wrench | quick adjust wrenches |
| 109,493 | Nov. 22, 1870 | C. Cline, P. Burress | Wrench | screw adjust wrenches |
| 144,036 | Oct. 28, 1873 | E.S. Scripture | Wrenches | quick adjust wrenches |
| 154,680 | Sep. 01, 1874 | B.F. Joslyn | Wrenches | nut wrenches |
| 186,197 | Jan. 16, 1877 | P. Chapin, Sr. | Improvements Pertaining to Adjustable Wrenches | screw adjust wrenches |
| 209,569 | Nov. 05, 1878 | J.W. Hyatt | Wrench | quick adjust wrenches |
| 242,160 | May 31, 1881 | C. Scholz | Wrench | quick adjust wrenches |
| 265,188 | Sep. 26, 1882 | H. Tregallas | Wrench | pipe and nut combination wrenches |
| 305,961 | Sep. 30, 1884 | H. Reber | Improvement in Monkey-Wrenches | screw adjust wrenches |
| 330,594 | Nov. 17, 1885 | S.J. Lea | Wrench | pipe and nut combination wrenches |
| 331,188 | Nov. 24, 1885 | J. Du Shane | Rapid Transit Monkey Wrench | quick adjust wrenches |
| 345,567 | Jul. 13, 1886 | S.J. Benson | Pipe Wrench | wrench jaw components |
| 450,516 | Apr. 14, 1891 | W.O. Lee | Wrench | pipe and nut combination wrenches |
| 452,410 | May 19, 1891 | A. Hitt | Wrench | pipe and nut combination wrenches |
