| All Patents in class 81/172 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 476,767 | Jun. 07, 1892 | A.K. Lovell | Wrench | quick adjust wrenches |
| 620,738 | Mar. 07, 1899 | W.V. Chisholm | Wrench | screw adjust wrenches |
| 642,155 | Jan. 30, 1900 | E. Campbell, G. Redford | Wrench | quick adjust wrenches |
| 703,898 | Jul. 01, 1902 | J.C. Davison | Wrench | quick adjust wrenches |
| 732,752 | Jul. 07, 1903 | L. Kules | Wrench | quick adjust wrenches |
| 746,113 | Dec. 08, 1903 | C.S. Leland | Wrench | quick adjust wrenches |
| 819,246 | May 01, 1906 | C.H. Noyes | Wrench | quick adjust wrenches |
| 1,391,179 | Sep. 20, 1921 | G.E. Hemphill, E.J. Evans | Monkey Wrench | quick adjust wrenches |
| 1,449,386 | Mar. 27, 1923 | G.E. Hemphill, E.J. Evans | Pipe Wrench | pipe wrenches |
| 1,570,627 | Jan. 26, 1926 | W.H. Barber, E.J. Evans | Pipe Wrench | pipe wrenches |
| 1,728,282 | Sep. 17, 1929 | E.J. Evans | Monkey Wrench | quick adjust wrenches |
| 2,753,748 | Jul. 10, 1956 | G.F. Schlote | Spiral Actuator For Sliding Jaw End Wrench | quick adjust wrenches |
| 3,125,911 | Mar. 24, 1964 | G.F. Schlote | Slidable Jaw End Wrench With Spiral Actuator | quick adjust wrenches |
| 3,555,939 | Jan. 19, 1971 | K.F. Halls | Adjustable Open End Wrench | quick adjust wrenches |
| 3,640,159 | Feb. 08, 1972 | A.H. Brickley, K.F. Halls | Adjustable Jaw Wrench | quick adjust wrenches |
