| All Patents in class 81/52 |
Patents 1 -
15
of 26
      |
| Number | Date | Patentee | Title | Type |
| 37,920 | Mar. 17, 1863 | T.J. Penny | Improved Combined Wrench, Scraper and Screwdriver | wrench combination tools |
| 64,652 | May 14, 1867 | G.J. Ferriss | Combination Tool | combination tools |
| 79,346 | Jun. 30, 1868 | W.W. Coggshall, P.C. Havely | Improvement in Hammers | hammers |
| 108,377 | Oct. 18, 1870 | G.H. Miller | Combined Tool | combination tools |
| 245,122 | Aug. 02, 1881 | G.W. Bishop | Combination Tool | |
| 290,106 | Dec. 11, 1883 | H. Port | Convertible Tool | combination tools |
| 318,981 | Jun. 02, 1885 | A.W. Green | Tuning Hammer | musical instrument tools |
| 399,297 | Mar. 12, 1889 | G.H. Tucker | Combined Tool | combination tools |
| 421,020 | Feb. 11, 1890 | D.J. Thayer | Wrench For Oil Well Tools | ratchet wrenches |
| 422,879 | Mar. 04, 1890 | W. Forgie | Improvements In Automatic Wrench for Coupling and Uncoupling the Tools or Drill-Rods of Well-Boring Apparatus | wrenches |
| 433,928 | Aug. 12, 1890 | J.W. Bess | Wrench Tightener | wrench handle components |
| 443,312 | Dec. 23, 1890 | P.J. Bode | Pipe Tongs | pipe wrenches |
| 506,703 | Oct. 17, 1893 | J.H. Lynch | Vernier Calipers | vernier calipers |
| 532,041 | Jan. 08, 1895 | G.W. Dunsworth | Combination-Wrench | axle nut wrench combination tools |
| 556,976 | Mar. 24, 1896 | C.M. Herr | Combined Wrench And Lock For Bicycles | bicycle or pocket wrenches |
