| All Patents in class 81/97 |
Patents 31 -
45
of 95
      |
| Number | Date | Patentee | Title | Type |
| 268,784 | Dec. 12, 1882 | B. Donohue | Wrench | wrench jaw components |
| 279,722 | Jun. 19, 1883 | G.W. Davenport | Wrench | quick adjust wrenches |
| 297,209 | Apr. 22, 1884 | T.F. White | Wrench | pipe and nut combination wrenches |
| 307,163 | Oct. 28, 1884 | G.A. Barnes, E.F. Barnes | Pipe Tongs or Wrench | pipe wrenches |
| 317,670 | May 12, 1885 | G.F. Pottle | Self-Gripping Pipe Wrench | pipe wrenches |
| 328,270 | Oct. 13, 1885 | J. Williamson | Pipe Wrench and Cutter | pipe wrenches |
| 331,456 | Dec. 01, 1885 | H.F. Sohst | Pipe Tongs | pipe tongs |
| 339,336 | Apr. 06, 1886 | C.W. Shartle | Chuck | lathe dogs |
| 342,078 | May 18, 1886 | C.C. Edgerly | Pipe and Nut Wrench | pipe wrenches |
| 344,406 | Jun. 29, 1886 | S.A. Rouse | Pipe Wrench | pipe wrenches |
| 346,501 | Aug. 03, 1886 | R.R. Rouse | Pipe Wrench | pipe wrenches |
| 352,433 | Nov. 09, 1886 | A.W. Ward | Wrench | pipe wrenches |
| 352,530 | Nov. 16, 1886 | J. Fatkin | Wrench For Pipes, Rods, and Tubes | pipe wrenches |
| 361,258 | Apr. 19, 1887 | S.J. Benson | Pipe Wrench | pipe wrenches |
| 377,827 | Feb. 14, 1888 | H.W. Hackley | Wrench | axle nut wrenches |
