| All Patents in class 81/DIG.3 |
Patents 1 -
15
of 40
      |
| Number | Date | Patentee | Title | Type |
| 117,679 | Aug. 01, 1871 | G.B. Phillips | Improvement in Wrenches | wrenches |
| 157,968 | Dec. 22, 1874 | D. McFarland | Wrenches | screw adjust wrenches |
| 249,477 | Nov. 15, 1881 | A. Nelson | Wrench | wrench adjustment locks |
| 300,145 | Jun. 10, 1884 | H. Simon, Jr. | Wrench | screw adjust wrenches |
| 402,186 | Apr. 30, 1889 | I.F. Peck | Wrench | screw adjust wrenches |
| 436,073 | Sep. 09, 1890 | G.E. Clow, B. Clow | Nut Wrench | screw adjust wrenches |
| 459,377 | Sep. 08, 1891 | J.G. Lind | Combined Wrench and Gas Pipe Tongs | pipe wrenches |
| 525,435 | Sep. 04, 1894 | M. Wenger | Wrench | quick adjust wrenches |
| 538,841 | May 07, 1895 | V.J. McDonnell | Monkey Wrench | quick adjust wrenches |
| 549,221 | Nov. 05, 1895 | M. Wenger | Wrench | screw adjust wrenches |
| 568,284 | Sep. 22, 1896 | G.L. Seymour | Wrench | wrench adjustment locks |
| 572,186 | Dec. 01, 1896 | M. Wenger | Wrench | quick adjust wrenches |
| 635,767 | Oct. 31, 1899 | W. Gleason | Wrench | quick adjust wrenches |
| 685,656 | Oct. 29, 1901 | F.T. Verharen | Wrench | pipe and nut combination wrenches |
| 722,920 | Mar. 17, 1903 | E.C. Smith | Wrench | quick adjust wrenches |
