| All Patents in class 81/DIG.4 |
Patents 1 -
15
of 27
      |
| Number | Date | Patentee | Title | Type |
| 132,057 | Oct. 08, 1872 | O.W. Cutler, T. Cooper | Improvement in Adjustable Slide-Wrenches | quick adjust wrenches |
| 133,422 | Nov. 26, 1872 | F.L. Delfer | Wrenches | quick adjust wrenches |
| 186,925 | Feb. 06, 1877 | W. Dicks | Improvements in Adjustable-Grasp Wrenches | quick adjust wrenches |
| 198,264 | Dec. 18, 1877 | E.T. Barlow | Screw-Wrench | screw adjust wrenches |
| 296,942 | Apr. 15, 1884 | J. Du Shane | Wrench | screw adjust wrenches |
| 308,561 | Nov. 25, 1884 | J. Houlehan | Wrench | quick adjust wrenches |
| 331,974 | Dec. 08, 1885 | C. Kabisch | Improvement in Sliding-Jaw Wrenches | quick adjust wrenches |
| 355,641 | Jan. 04, 1887 | E.E. Scates, C.D. Cutts | Wrench | quick adjust wrenches |
| 395,595 | Jan. 01, 1889 | A.K. Spaulding | Improvements in Sliding-Jaw Ratchet Wrenches | quick adjust wrenches |
| 421,688 | Feb. 18, 1890 | T.W. Fisher | Pipe Wrench | pipe wrenches |
| 449,129 | Mar. 31, 1891 | V.J. McDonnell | Monkey Wrench | quick adjust wrenches |
| 512,007 | Jan. 02, 1894 | F.A. Carrithers | Nut-Wrench | nut wrenches |
| 513,354 | Jan. 23, 1894 | E.C. Wells | Monkey Wrench | quick adjust wrenches |
| 589,681 | Sep. 07, 1897 | H. Althoff | Wrench | quick adjust wrenches |
| 617,369 | Jan. 10, 1899 | G.R. Van Schoick, F.W. Stewart | Wrench | quick adjust wrenches |
