| All Patents in class 81/DIG.9 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 536,165 | Mar. 19, 1895 | A.L. Winge | Wrench |
 | 619,193 | Feb. 07, 1899 | M. Lemley | Wrench |
 | 645,265 | Mar. 13, 1900 | C. Kingsley | Ratchet Wrench For Tightening the Truss Rods of Railroad Cars |
 | 837,809 | Dec. 04, 1906 | J.J. Dixon | Pipe Wrench |
 | 1,053,931 | Feb. 18, 1913 | W.R. Osborne, G.F. Lebus | Well Drill Wrench |
 | 1,407,238 | Feb. 21, 1922 | W.J. Twiss | Pipe Wrench |
 | 1,611,808 | Dec. 21, 1926 | W.L. Bessolo | Tongs |
 | 1,919,468 | Jul. 25, 1933 | O.V. Jones | Tong |
 | 2,005,161 | Jun. 18, 1935 | T. Petersen | Pipe vise |
