| All Patents in class 81/92 |
Patents 46 -
57
of 57
      |
| Number | Date | Patentee | Title | Type |
| 1,044,069 | Nov. 12, 1912 | F. Mossberg | Pipe Wrench | pipe wrenches |
| 1,066,679 | Jul. 08, 1913 | R.E. Sutherland | Wrench | pipe wrenches |
| 1,276,236 | Aug. 20, 1918 | A.B. Lord | Wrench | alligator wrenches |
| 1,333,517 | Mar. 09, 1920 | F.E. Walden | Pipe Wrench | alligator wrenches |
| 1,429,812 | Sep. 19, 1922 | J. Van Horn | Wrench | screw adjust wrenches |
| 1,437,458 | Dec. 05, 1922 | F.E. Walden | Wrench | ratchet wrenches |
| 1,444,034 | Feb. 06, 1923 | V.F. Palm | Wrench | screw adjust wrenches |
| 1,453,898 | May 01, 1923 | F.E. Walden | Wrench | ratchet wrenches |
| 1,455,147 | May 15, 1923 | W.J. O'Neill | Wrench and the Like | ratchet wrenches |
| 1,557,864 | Oct. 20, 1925 | R.A. Mull | Self-Engaging Portion for Wrench Jaw | pipe wrenches |
| 1,759,186 | May 20, 1930 | J.G. Collins | Spanner wrench | |
| 2,750,827 | Jun. 19, 1956 | J. Evans | Spring-Biased, Slidable Inner Jaw Wrench | quick adjust wrenches |
