| All Patents in class 81/328 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 168,360 | Oct. 05, 1875 | E. Wiard | Wrench | nut wrenches |
| 347,580 | Aug. 17, 1886 | J.B. Dean | Wrench | quick adjust wrenches |
| 382,712 | May 15, 1888 | W.C. Marr | Pliers | pliers |
| 521,582 | Jun. 19, 1894 | F.E. Burgevin | Wrench | wrench combination tools |
| 638,474 | Dec. 05, 1899 | E.C. Rollins | Wrench | pliers type wrenches |
| 787,523 | Apr. 18, 1905 | G.M. Mason | Combined Pipe Wrench and Pliers | pliers |
| 979,805 | Dec. 27, 1910 | A.E. Smiley | Wrench | pipe wrenches |
| 1,426,553 | Aug. 22, 1922 | A. Cruickshank | Pliers | pliers |
| 1,499,186 | Jun. 24, 1924 | T. Murphy | Wrench | quick adjust wrenches |
| 2,074,227 | Mar. 16, 1937 | E.H. Luckey | Adjustable Wrench | quick adjust wrenches |
