| All Patents in class 81/158 |
Patents 1 -
10
of 49
      |
| Picture | Number | Date | Patentee | Title |
 | 8,922 | May 04, 1852 | A. Hotchkiss | Adjustable Screw-Slide Wrench |
 | 13,617 | Oct. 02, 1855 | J. Hyde | Screw-Wrench |
 | 109,493 | Nov. 22, 1870 | C. Cline, P. Burress | Wrench |
 | 144,036 | Oct. 28, 1873 | E.S. Scripture | Wrenches |
 | 154,680 | Sep. 01, 1874 | B.F. Joslyn | Wrenches |
 | 186,197 | Jan. 16, 1877 | P. Chapin, Sr. | Improvements Pertaining to Adjustable Wrenches |
 | 209,569 | Nov. 05, 1878 | J.W. Hyatt | Wrench |
 | 242,160 | May 31, 1881 | C. Scholz | Wrench |
 | 265,188 | Sep. 26, 1882 | H. Tregallas | Wrench |
 | 305,961 | Sep. 30, 1884 | H. Reber | Improvement in Monkey-Wrenches |
