| All Patents in class 81/94 |
Patents 1 -
15
of 49
      |
| Number | Date | Patentee | Title | Type |
| 77,076 | Apr. 21, 1868 | I. Morse | Pipe Wrench | pipe wrenches |
| 79,361 | Jun. 30, 1868 | R.H. Lecky | Improvement in Pipe Wrench and Cutter | pipe wrenches |
| 102,390 | Apr. 26, 1870 | G. Macardle, L. Frey | Improvement in Pipe and Bolt-Wrenches | pipe wrenches |
| 120,641 | Nov. 07, 1871 | I.S. Hamilton | Improvement in Pipe Wrenches | pipe wrenches |
| 132,571 | Oct. 29, 1872 | A. Gauntt | Improved Universal Wrench | pipe wrenches |
| 133,902 | Dec. 10, 1872 | T. Stone | Pipe Wrench | pipe wrenches |
| 148,259 | Mar. 03, 1874 | H.C. Stouffer | Pipe Wrenches | pipe tongs |
| 149,944 | Apr. 21, 1874 | W.W. Micks | Pipe-Wrenches and Cutters | pipe wrenches |
| 154,471 | Aug. 25, 1874 | C.H. Fulmer | Pipe-Wrenches | pipe wrenches |
| 172,365 | Jan. 18, 1876 | A.F. Gates, E.H. Adams | Pipe-Wrench | self-adjust wrenches |
| 183,485 | Oct. 24, 1876 | J. Brewer | Combined Wrench and Pipe-Cutter | pipe wrenches |
| 291,266 | Jan. 01, 1884 | N.W. Vandegrift, F. Armstrong | Pipe Wrench | pipe wrenches |
| 293,175 | Feb. 05, 1884 | J. Jewell | Pipe Wrench | pipe wrenches |
| 326,906 | Sep. 22, 1885 | H. Van Hoevenbergh, J.A. Helvin | Wire Splicer | work holding |
| 330,835 | Nov. 17, 1885 | E.B. Jackson | Wrench | axle nut wrenches |
