| All Patents in class 81/132 |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 551,285 | Dec. 10, 1895 | G.L. Ives | Pipe Wrench | pipe wrenches |
| 554,157 | Feb. 04, 1896 | J.M. Watson | Wrench | pipe wrenches |
| 554,885 | Feb. 18, 1896 | E.B. Lilly | Pipe Wrench | pipe wrenches |
| 583,699 | Jun. 01, 1897 | J.C. Burgess | Pipe Wrench | pipe wrenches |
| 616,414 | Dec. 20, 1898 | M.C. Gay | Wrench | wrench jaw components |
| 701,066 | May 27, 1902 | F.C. Matteson | Pipe Wrench | pipe wrenches |
| 740,812 | Oct. 06, 1903 | O.E. Kovar | Interchangeable Wrench | pipe and nut combination wrenches |
| 825,720 | Jul. 10, 1906 | J.C. Hackett | Wrench | axle nut wrenches |
| 1,315,071 | Sep. 02, 1919 | J. Askins | Wrench | wrench jaw components |
