| All Patents in class 81/179 |
Patents 61 -
73
of 73
      |
| Number | Date | Patentee | Title | Type |
| 1,329,161 | Jan. 27, 1920 | R.J. Colson | Wrench | quick adjust wrenches |
| 1,331,003 | Feb. 17, 1920 | L.G. Daniels | Lathe Dog | lathe dogs |
| 1,355,470 | Oct. 12, 1920 | J.H. Hall | Pipe Wrench | pipe wrenches |
| 1,362,481 | Dec. 14, 1920 | M.G. Dobbins | Wrench | pipe wrenches |
| 1,407,360 | Feb. 21, 1922 | J.J. Thomas | Wrench | screw adjust wrenches |
| 1,407,577 | Feb. 21, 1922 | T.J. Pryor | Wrench or Spanner | pliers type wrenches |
| 1,444,034 | Feb. 06, 1923 | V.F. Palm | Wrench | screw adjust wrenches |
| 1,512,180 | Oct. 21, 1924 | W.C. Kisner | Wrench | screw adjust wrenches |
| 1,617,150 | Feb. 08, 1927 | J.P. Fisher | Pipe Wrench | pipe wrenches |
| 2,489,057 | Nov. 22, 1949 | E.J. St. Laurence | Lever Operated Gripping Tool With Slidable Jaw Face | locking pliers |
| 2,697,372 | Dec. 21, 1954 | D.L. Lane | Slidable Jaw Insert for Crescent Head Wrenchs | wedge adjust wrenches |
| 2,797,600 | Jul. 02, 1957 | B.K. Beaver | Ratchet Type Movable Jaw Wrench | ratchet wrenches |
| 3,241,409 | Mar. 22, 1966 | G.M. Raptis | Box Wrench Having A Pivotally And Slidably Disposed Torquing Element | wrenches |
