| All Patents in class 81/368 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 952,079 | Mar. 15, 1910 | G.A. McIntire | Wrench | self-adjust wrenches |
| 2,487,281 | Nov. 08, 1949 | G. Steckelberg | Toggle Actuated Wrench with Hydraulic Control | locking pliers |
| 2,592,803 | Apr. 15, 1952 | J.G. Heim | Release And Adjusting Means For Vise-Type Wrenches | locking pliers |
| 2,637,236 | May 05, 1953 | E. Vergnani, M.H. Vergnani, S.E. Vergnani | Liner for the Jaw Faces of Pipe Wrenches | pipe jaw attachments for wrenches |
| 2,661,648 | Dec. 08, 1953 | H.T. Jones | Quick-Adjusting Toggle Wrench | locking pliers |
| 2,672,778 | Mar. 23, 1954 | H.T. Jones | Quick-Release Toggle Wrench | locking pliers |
| 2,853,910 | Sep. 30, 1958 | W. Petersen | Latch Means for Plier type Toggle Wrench | locking pliers |
| 2,966,818 | Jan. 03, 1961 | O.P. Froeschl | Plier Type Toggle Wrench With Unlocking Means | locking pliers |
| 2,997,903 | Aug. 29, 1961 | F. Rommel, R. Rommel | Pliers With Self-Adjusting Toggle Means | locking pliers |
| 3,545,315 | Dec. 08, 1970 | F. Patrick | Pliers | locking pliers |
| 3,545,316 | Dec. 08, 1970 | F. Patrick | Pliers | locking pliers |
| 3,606,806 | Sep. 21, 1971 | F. Patrick | Pliers | locking pliers |
| 6,012,362 | Jan. 11, 2000 | C. Wang | Utility Pliers | locking pliers |
