| All Patents in class 81/143 |
Patents 16 -
30
of 33
      |
| Number | Date | Patentee | Title | Type |
| 525,282 | Aug. 28, 1894 | J.A. Reynolds | Wrench | quick adjust wrenches |
| 569,037 | Oct. 06, 1896 | T. Dixon | Improved Combination Pipe and Monkey Wrench | quick adjust wrenches |
| 581,267 | Apr. 27, 1897 | D.A. Cheney | Wrench | quick adjust wrenches |
| 611,771 | Oct. 04, 1898 | D.A. Cheney | Wrench | quick adjust wrenches |
| 623,946 | Apr. 25, 1899 | M.D. Converse | Monkey Wrench | quick adjust wrenches |
| 640,610 | Jan. 02, 1900 | C.E. Williams | Wrench | quick adjust wrenches |
| 722,483 | Mar. 10, 1903 | J.A. Boyd | Wrench | quick adjust wrenches |
| 728,410 | May 19, 1903 | J.J. Quinlan | Wrench | quick adjust wrenches |
| 742,055 | Oct. 20, 1903 | S. Ondrey | Wrench | quick adjust wrenches |
| 762,420 | Jun. 14, 1904 | F.J. Leibman | Adjustable Wrench | screw adjust wrenches |
| 910,737 | Jan. 26, 1909 | G.W. Stenz | Wrench | nut wrenches |
| 979,330 | Dec. 20, 1910 | J.C. Noll | Wrench | quick adjust wrenches |
| 1,006,057 | Oct. 17, 1911 | C.P. Brown | Wrench | quick adjust wrenches |
| 1,081,626 | Dec. 16, 1913 | A.W. Peterson | Wrench | quick adjust wrenches |
| 1,369,705 | Feb. 22, 1921 | T.C. Jones, R.J. Parsons | Monkey Wrench | quick adjust wrenches |
