| All Patents in class 81/175 |
Patents 61 -
69
of 69
      |
| Number | Date | Patentee | Title | Type |
| 949,557 | Feb. 15, 1910 | S.A. Whetzel | Pipe Wrench | pipe wrenches |
| 957,214 | May 10, 1910 | C.P. Johnson | Adjustable Wrench | screw adjust wrenches |
| 1,336,754 | Apr. 13, 1920 | R. Parmelee | Vise | pipe and chain vises |
| 1,336,755 | Apr. 13, 1920 | R. Parmelee | Vise | pipe and chain vises |
| 1,413,121 | Apr. 18, 1922 | J.A. Johnson | Wrench | wrenches |
| 1,615,440 | Jan. 25, 1927 | J. Cottrel | Wrench | screw adjust wrenches |
| 3,564,956 | Feb. 23, 1971 | B. Landen | Locking Plier Wrench | locking pliers |
| 4,781,086 | Nov. 01, 1988 | L.E. Johnston | Fluid Fitting Wrench | wrenches |
| 4,967,613 | Nov. 06, 1990 | R.E. Cone | Reversible Adjustable Wrench | screw adjust wrenches |
