| All Patents in class 81/137 |
Patents 1 -
15
of 40
      |
| Number | Date | Patentee | Title | Type |
| 41,100 | Jan. 05, 1864 | H. Sharp | Improvement in Wrenches | wrenches |
| 57,547 | Aug. 28, 1866 | C.M. Morris, I. Morris | Nut Wrench | wrench jaw components |
| 63,459 | Apr. 02, 1867 | S.S. Barnaby | Improvement in Wrenches | quick adjust wrenches |
| 66,051 | Jun. 25, 1867 | I.H. Smith | Improvement in Screw-Wrenches | screw adjust wrenches |
| 68,168 | Aug. 27, 1867 | T.D. Christopher | Improvement in Wrenches | screw adjust wrenches |
| 160,981 | Mar. 16, 1875 | J.L. Whipple | Improvement in Monkey-Wrenches | nut wrenches |
| 203,581 | May 14, 1878 | J.S. Birch | Wrench | quick adjust wrenches |
| 208,105 | Sep. 17, 1878 | W.R. Leeson | Adjustable Spanner or Monkey-Wrench | quick adjust wrenches |
| 214,057 | Apr. 08, 1879 | G.V. Sheffield | Screw-Wrench | quick adjust wrenches |
| 265,445 | Oct. 03, 1882 | P. Rotermund | Wrench | quick adjust wrenches |
| 296,942 | Apr. 15, 1884 | J. Du Shane | Wrench | screw adjust wrenches |
| 320,357 | Jun. 16, 1885 | J. Huber | Wrench | quick adjust wrenches |
| 332,051 | Dec. 08, 1885 | G.J. Cline | Wrench | quick adjust wrenches |
| 332,886 | Dec. 22, 1885 | M. Gale | Improved Monkey Wrench | quick adjust wrenches |
| 347,580 | Aug. 17, 1886 | J.B. Dean | Wrench | quick adjust wrenches |
