| All Patents in class 81/306 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 350,935 | Oct. 19, 1886 | J.G. Leslie | Wrench | quick adjust wrenches |
| 360,731 | Apr. 05, 1887 | F.C. Sawhill | Wrench | self-adjust wrenches |
| 434,409 | Aug. 12, 1890 | H.J. De Voe, G.L. Sutton | Wrench | screw adjust wrenches |
| 495,793 | Apr. 18, 1893 | T. Fletcher | Wrench and Cutter | wrench combination tools |
| 511,107 | Dec. 19, 1893 | C. Becker | Combination Tools | pipe wrenches |
| 515,498 | Feb. 27, 1894 | H. Mork | Universal Tool | combination tools |
| 800,814 | Oct. 03, 1905 | R.H. Martens | Wrench | wrench combination tools |
| 1,181,653 | May 02, 1916 | J. Eifel | Improved Plier Form Wrench | pliers type wrenches |
| 1,898,568 | Feb. 21, 1933 | F.F. Pazzano | Tool For Removal of Automobile Storage Battery Terminal Clips | pliers |
