| All Patents in class 81/91.2 |
Patents 16 -
30
of 32
      |
| Number | Date | Patentee | Title | Type |
| 597,990 | Jan. 25, 1898 | A.A. Larson | Wrench | pipe wrenches |
| 615,643 | Dec. 06, 1898 | J.F. Strahle | Wrench | alligator wrenches |
| 626,891 | Jun. 13, 1899 | J.D. Ellison | Nut Wrench | wrenches |
| 638,814 | Dec. 12, 1899 | A.J. Sawin | Pipe Tongs | pipe tongs |
| 654,176 | Jul. 24, 1900 | O. McNelly, H. McNelly, J.F. Janney | Pipe Wrench | pipe wrenches |
| 729,728 | Jun. 02, 1903 | F.D. Bullard | Pipe Wrench | self-adjust wrenches |
| 733,138 | Jul. 07, 1903 | F.D. Bullard | Pipe-Wrench | self-adjust wrenches |
| 742,389 | Oct. 27, 1903 | F.D. Bullard | Pipe-Wrench | self-adjust wrenches |
| 902,759 | Nov. 03, 1908 | G. Paterson | Wrench | pipe wrenches |
| 923,665 | Jun. 01, 1909 | J.E. La Dow | Wrench | self-adjust wrenches |
| 1,029,074 | Jun. 11, 1912 | W.A. Little | Wrench | pipe wrenches |
| 1,037,109 | Aug. 27, 1912 | W.L. Bessolo | Pipe Wrench | pipe wrenches |
| 1,086,127 | Feb. 03, 1914 | W.L. Bessolo | Wrench | pipe wrenches |
| 1,342,848 | Jun. 08, 1920 | C.L. Johnson | Cap-Removing Tool | jar wrenches |
| 1,406,910 | Feb. 14, 1922 | H.C. Sutherland | Wrench | self-adjust wrenches |
