| All Patents in class 81/137 |
Patents 1 -
10
of 40
      |
| Picture | Number | Date | Patentee | Title |
 | 41,100 | Jan. 05, 1864 | H. Sharp | Improvement in Wrenches |
 | 57,547 | Aug. 28, 1866 | C.M. Morris, I. Morris | Nut Wrench |
 | 63,459 | Apr. 02, 1867 | S.S. Barnaby | Improvement in Wrenches |
 | 66,051 | Jun. 25, 1867 | I.H. Smith | Improvement in Screw-Wrenches |
 | 68,168 | Aug. 27, 1867 | T.D. Christopher | Improvement in Wrenches |
 | 160,981 | Mar. 16, 1875 | J.L. Whipple | Improvement in Monkey-Wrenches |
 | 203,581 | May 14, 1878 | J.S. Birch | Wrench |
 | 208,105 | Sep. 17, 1878 | W.R. Leeson | Adjustable Spanner or Monkey-Wrench |
 | 214,057 | Apr. 08, 1879 | G.V. Sheffield | Screw-Wrench |
 | 265,445 | Oct. 03, 1882 | P. Rotermund | Wrench |
