| All Patents in class 81/176 |
Patents 1 -
10
of 46
      |
| Picture | Number | Date | Patentee | Title |
 | 1,720 | Aug. 12, 1840 | J. Keane, T. Keane, S. Kane | Screw-Wrench |
 | 14,779 | Apr. 29, 1856 | B. Rowe | Wrench |
 | 31,693 | Mar. 12, 1861 | G.B. Phillips | Improvements in Wagon-Wrenches |
 | 56,460 | Jul. 17, 1866 | A. Stover | Improvement in Screw-Wrenches |
 | 69,911 | Oct. 15, 1867 | D. Harrigan | Improvement in Wrenches |
 | 117,679 | Aug. 01, 1871 | G.B. Phillips | Improvement in Wrenches |
 | 141,289 | Jul. 29, 1873 | A. Partridge | Improvement in Screw-Wrenches |
 | 157,968 | Dec. 22, 1874 | D. McFarland | Wrenches |
 | 179,546 | Jul. 04, 1876 | H.W. Evans | Improvements in Pipe Cutters and Wrenches |
 | 202,582 | Apr. 16, 1878 | T.H. Phillips | Wrench |
