| All Patents in class 81/90.9 |
Patents 16 -
30
of 31
      |
| Number | Date | Patentee | Title | Type |
| 596,505 | Jan. 04, 1898 | J.A. Hawthorn | Pipe Wrench | pipe wrenches |
| 599,837 | Mar. 01, 1898 | W.G. Harris | Adjustable Spanner or Wrench | screw adjust wrenches |
| 615,643 | Dec. 06, 1898 | J.F. Strahle | Wrench | alligator wrenches |
| 627,466 | Jun. 27, 1899 | A.W. Ashworth, R. Ashworth | Wrench | wrench jaw components |
| 628,218 | Jul. 04, 1899 | A.W. Ashworth, R. Ashworth | Wrench | pipe wrenches |
| 654,176 | Jul. 24, 1900 | O. McNelly, H. McNelly, J.F. Janney | Pipe Wrench | pipe wrenches |
| 1,000,724 | Aug. 15, 1911 | W.H. Duffey | Pipe Wrench | pipe wrenches |
| 1,037,109 | Aug. 27, 1912 | W.L. Bessolo | Pipe Wrench | pipe wrenches |
| 1,066,679 | Jul. 08, 1913 | R.E. Sutherland | Wrench | pipe wrenches |
| 1,086,127 | Feb. 03, 1914 | W.L. Bessolo | Wrench | pipe wrenches |
| 1,155,136 | Sep. 28, 1915 | C.A. Dies | Wrench | pipe wrenches |
| 1,157,495 | Oct. 19, 1915 | W.L. Bessolo | Nut Wrench | nut wrenches |
| 1,158,164 | Oct. 26, 1915 | W.L. Bessolo | Wrench | quick adjust wrenches |
| 1,629,895 | May 24, 1927 | M.J. Tully | Double Wrench | pipe wrenches |
| 1,670,001 | May 15, 1928 | . | Combination Tool | combination tools |
