| All Patents in class 81/57.32 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 122,916 | Jan. 23, 1872 | R.S. Sanborn | Improvement in Rotating Wrenches | ratchet wrenches |
| 378,299 | Feb. 21, 1888 | J.L. Finch | Wrench | pipe wrenches |
| 421,020 | Feb. 11, 1890 | D.J. Thayer | Wrench For Oil Well Tools | ratchet wrenches |
| 439,388 | Oct. 28, 1890 | E.S. Cushman | Wrench | axle nut wrenches |
| 443,312 | Dec. 23, 1890 | P.J. Bode | Pipe Tongs | pipe wrenches |
| 452,237 | May 12, 1891 | J.R. Robinson | Power Wrench | wrenches |
| 1,050,746 | Jan. 14, 1913 | B. Morgan | Hand Tool | valve spring tools |
| 1,435,544 | Nov. 14, 1922 | B.C. Miller | Tool For Adjusting Tappets And The Like | automotive specialty wrenches |
| 1,629,895 | May 24, 1927 | M.J. Tully | Double Wrench | pipe wrenches |
