| All Patents in class 81/73 |
Patents 1 -
10
of 71
      |
| Picture | Number | Date | Patentee | Title |
 | 24,807 | Jul. 19, 1859 | L.S. Hoyt, B.B. Beers | Wimble or Bit-Stock Wrench |
 | 30,268 | Oct. 02, 1860 | P.D. Van Hoesen | Wagon-Wrench |
 | 70,605 | Nov. 05, 1867 | E. Perry | Wrench for Carriages and Other Purposes |
 | 112,238 | Feb. 28, 1871 | E.B. Gifford | Improvement in Wrenches and Oilers |
 | 144,134 | Oct. 28, 1873 | L.B. Prindle | Improvement in wrenches |
 | 144,826 | Nov. 25, 1873 | T.L. Buckley | Brace-wrench |
 | 156,370 | Oct. 27, 1874 | W.R. Moore | Improvement in wrenches |
 | 174,486 | Mar. 07, 1876 | R. Collingsworth | Improvement in Wrenches |
 | 175,272 | Mar. 28, 1876 | W.F. Cross | Improvement in wrenches and bit-stocks |
 | 181,574 | Aug. 29, 1876 | G.W. Green | Bit-stock wrench |