| All Patents in class 81/157 |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 12,410 | Feb. 20, 1855 | S.H. Noble | Screw-Wrench | quick adjust wrenches |
| 31,576 | Feb. 26, 1861 | W. Mason | Improved Screw-Wrench | quick adjust wrenches |
| 98,847 | Jan. 18, 1870 | G.J. Capewell | Wrench | quick adjust wrenches |
| 178,162 | May 30, 1876 | E.H. Knight | Wrench | screw adjust wrenches |
| 256,867 | Apr. 25, 1882 | J. Thomson | Improved Monkey Wrench | quick adjust wrenches |
| 291,213 | Jan. 01, 1884 | C.H. Miller | Monkey Wrench | nut wrenches |
| 380,735 | Apr. 10, 1888 | W.L. Tobey | Wrench | quick adjust wrenches |
| 477,228 | Jun. 21, 1892 | E.W. Rider | Wrench | quick adjust wrenches |
| 549,601 | Nov. 12, 1895 | D. Gross, Jr. | Wrench | screw adjust wrenches |
| 570,856 | Nov. 03, 1896 | G.W. McElroy | Wrench | quick adjust wrenches |
| 622,471 | Apr. 04, 1899 | F.S. Hollweck | Wrench | screw adjust wrenches |
| 967,899 | Aug. 23, 1910 | W.E. Golden | Wrench | screw adjust wrenches |
| 1,134,980 | Apr. 06, 1915 | I. Pfeiffer, Jr. | Pincers | pliers |
| 1,212,287 | Jan. 16, 1917 | W.S. Upson | Combined Nut and Pipe Wrench | pipe and nut combination wrenches |
| 1,228,850 | Jun. 05, 1917 | W.S. Upson | Wrench | screw adjust wrenches |
