| All Patents in class 81/52 |
Patents 1 -
10
of 26
      |
| Picture | Number | Date | Patentee | Title |
 | 37,920 | Mar. 17, 1863 | T.J. Penny | Improved Combined Wrench, Scraper and Screwdriver |
 | 64,652 | May 14, 1867 | G.J. Ferriss | Combination Tool |
 | 79,346 | Jun. 30, 1868 | W.W. Coggshall, P.C. Havely | Improvement in Hammers |
 | 108,377 | Oct. 18, 1870 | G.H. Miller | Combined Tool |
 | 245,122 | Aug. 02, 1881 | G.W. Bishop | Combination Tool |
 | 290,106 | Dec. 11, 1883 | H. Port | Convertible Tool |
 | 318,981 | Jun. 02, 1885 | A.W. Green | Tuning Hammer |
 | 399,297 | Mar. 12, 1889 | G.H. Tucker | Combined Tool |
 | 421,020 | Feb. 11, 1890 | D.J. Thayer | Wrench For Oil Well Tools |
 | 422,879 | Mar. 04, 1890 | W. Forgie | Improvements In Automatic Wrench for Coupling and Uncoupling the Tools or Drill-Rods of Well-Boring Apparatus |
