| All Patents in class 81/174 |
Patents 16 -
30
of 54
      |
| Number | Date | Patentee | Title | Type |
| 94,710 | Sep. 14, 1869 | L. Chapman | Wrench | wrench jaw components |
| 98,644 | Jan. 04, 1870 | G.C. Taft | Wrench | screw adjust wrenches |
| 132,571 | Oct. 29, 1872 | A. Gauntt | Improved Universal Wrench | pipe wrenches |
| 166,020 | Jul. 27, 1875 | W.R. Baker, R.H. McCormick | Wrench | wrench jaw components |
| RE7,173 | Jun. 13, 1876 | W.R. Baker, R.H. McCormick | Wrenches | nut wrenches |
| 187,773 | Feb. 27, 1877 | J.W. Powers | Monkey-Wrench | screw adjust wrenches |
| 206,733 | Aug. 06, 1878 | H.H. Hill | Wrench | screw adjust wrenches |
| 232,937 | Oct. 05, 1880 | G.A. Chapman | Pipe Cutter and Wrench | combination tools |
| 234,091 | Nov. 02, 1880 | H.A. Thompson | Wrench | axle nut wrenches |
| 260,292 | Jun. 27, 1882 | J.S. Greenleaf | Monkey Wrench | wrench combination tools |
| 265,236 | Oct. 03, 1882 | T.W. Boyle | Wrench | pipe and nut combination wrenches |
| 266,503 | Oct. 24, 1882 | S. O'Connell | Wagon Wrench | wrench combination tools |
| 314,517 | Mar. 24, 1885 | I. Cressey | Wrench | pipe wrenches |
| 365,019 | Jun. 14, 1887 | C.T. Phillips | Pipe Wrench | pipe wrenches |
| 370,507 | Sep. 27, 1887 | V.J. Van Horn | Improvements in Monkey Wrenches | screw adjust wrenches |
