| All Patents in class 81/389 |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 593,042 | Nov. 02, 1897 | A.J. Birtch | Gas Pipe and Rod Tongs | pipe tongs |
| 873,868 | Dec. 17, 1907 | E.R. Klemm | Wrench | axle nut wrenches |
| 884,422 | Apr. 14, 1908 | W. Schmitt | Wrench | quick adjust wrenches |
| 1,206,198 | Nov. 28, 1916 | W.A. Bernard | Hand Tool | pliers |
| 1,453,854 | May 01, 1923 | B.H. Parker | Pipe Wrench | pipe wrenches |
| 2,327,368 | Aug. 24, 1943 | J. Olson | Toggle Pliers | locking pliers |
| 2,398,209 | Apr. 09, 1946 | F.J. Clemens | Hand Tool | pliers |
| 2,471,734 | May 31, 1949 | F.C. Fischer | Toggle Operated Slidable Jaw Wrench | locking pliers |
| 2,543,922 | Mar. 06, 1951 | L.C. Mead | Release Means For Toggle-Actuated Plier-Type Wrenches | locking pliers |
| 2,654,282 | Oct. 06, 1953 | M.W. Emmett | Adjusting Means for Slideable Jaw Wrenches | pliers type wrenches |
