| All Patents in class 81/63 |
Patents 1 -
10
of 122
      |
| Picture | Number | Date | Patentee | Title |
 | 15,482 | Aug. 05, 1856 | L.D. Gilman | Improvement in the Construction of Wrenches |
 | 17,769 | Jul. 07, 1857 | H.W. Porter | Bit brace |
 | 57,107 | Aug. 14, 1866 | C. Eversol | Improved Screw Driver |
 | 82,962 | Oct. 13, 1868 | E.J. Leyburn | Wrench |
 | 133,402 | Nov. 26, 1872 | O. Bonneville | Wrenches |
 | 138,973 | May 13, 1873 | H.B. Williams | Improvement in stocks for drill or other bits |
 | 176,811 | May 02, 1876 | D.C. Richards | Improvement in Screw-Drivers |
 | 183,736 | Oct. 24, 1876 | R.R. Wilson | Ratchet Wrench |
| | 198,292 | Dec. 18, 1877 | W. Guthrie | Jack Screw |
 | 203,262 | May 07, 1878 | G.S. Goodspeed | Wrench |
