| All Patents in class 81/134 |
Patents 16 -
30
of 96
      |
| Number | Date | Patentee | Title | Type |
| 274,545 | Mar. 27, 1883 | J.H. Hine, F. Armstrong | Wrench | quick adjust wrenches |
| 278,135 | May 22, 1883 | J.M. Hamrick | Wrench | quick adjust wrenches |
| 279,722 | Jun. 19, 1883 | G.W. Davenport | Wrench | quick adjust wrenches |
| 311,202 | Jan. 27, 1885 | W.L. Parker | Wrench | quick adjust wrenches |
| 314,095 | Mar. 17, 1885 | T.J. Wilson | Wrench | quick adjust wrenches |
| 330,175 | Nov. 10, 1885 | N.W. Vandegrift, F. Armstrong | Pipe-cutter | plumber |
| 330,594 | Nov. 17, 1885 | S.J. Lea | Wrench | pipe and nut combination wrenches |
| 333,963 | Jan. 05, 1886 | J.H. Miller | Wrench | screw adjust wrenches |
| 340,488 | Apr. 20, 1886 | C.A. Funk, L.P. Croswell | Wrench | pipe and nut combination wrenches |
| 352,518 | Nov. 16, 1886 | A.A. Coon | Wrench | pipe and nut combination wrenches |
| 355,270 | Dec. 28, 1886 | P. Johnson | Improvements in Bolt-Holders | pipe wrenches |
| 362,661 | May 10, 1887 | W.B. Risdon | Wrench | pipe wrenches |
| 366,648 | Jul. 19, 1887 | A.A. Coon | Wrench | pipe wrenches |
| 371,302 | Oct. 11, 1887 | M.E. Campfield | Rapid Transit Monkey Wrench | quick adjust wrenches |
| 376,504 | Jan. 17, 1888 | H.W. Atwater | Improvements in Removable Jaws For Wrenches | pipe jaw attachments for wrenches |
