| All Patents in class 81/362 |
Patents 16 -
22
of 22
      |
| Number | Date | Patentee | Title | Type |
| 1,717,725 | Jun. 18, 1929 | A.A. McGill | Sliding Jaw Tool | quick adjust wrenches |
| 1,811,452 | Jun. 23, 1931 | J.E. Blalock | Pipe Wrench | pipe wrenches |
| 2,539,852 | Jan. 30, 1951 | J.J. McCoy | Lever and Link Feed, Worm-Adjustable Sliding Jaw Wrench | quick adjust wrenches |
| 2,691,317 | Oct. 12, 1954 | E.T. Olson | Locking Device For Pipe Wrenches | pipe wrenches |
| 3,333,492 | Aug. 01, 1967 | W.C. Chapman | Adjustable End Wrench and Locking Means | screw adjust wrenches |
| 3,608,405 | Sep. 28, 1971 | C.C. Schmidt | Toggle Link Hand Tool having Rectilinear Jaw Movement | locking pliers |
| 4,375,174 | Mar. 01, 1983 | S.E. Shanley, Jr. | Adjustable End Wrench Releasable Locking Feature | screw adjust wrenches |
