| All Patents in class 81/139 |
Patents 16 -
30
of 35
      |
| Number | Date | Patentee | Title | Type |
| 594,498 | Nov. 30, 1897 | E.F. Stout | Wrench | quick adjust wrenches |
| 601,114 | Mar. 22, 1898 | C.E. Anderson | Monkey Wrench | quick adjust wrenches |
| 617,369 | Jan. 10, 1899 | F.W. Stewart, G.R. Van Schoick | Wrench | quick adjust wrenches |
| 634,216 | Oct. 03, 1899 | W.H. Robinson | Wrench | quick adjust wrenches |
| 636,673 | Nov. 07, 1899 | R. Klatt | Wrench | quick adjust wrenches |
| 653,954 | Jul. 17, 1900 | D.S. Garman | Wrench | quick adjust wrenches |
| 667,449 | Feb. 05, 1901 | L.C. McCarty | Wrench | quick adjust wrenches |
| 703,636 | Jul. 01, 1902 | G.W. Boozer | Wrench | quick adjust wrenches |
| 746,673 | Dec. 15, 1903 | G.R. Cheesman | Sliding Jaw Wrench | quick adjust wrenches |
| 788,388 | Apr. 25, 1905 | B.F. Woodward | Pipe Wrench | pipe wrenches |
| 921,581 | May 11, 1909 | O.W. Blake | Pipe Wrench | wrench adjustment locks |
| 936,174 | Oct. 05, 1909 | E.L. Scribner | Wrench | quick adjust wrenches |
| 1,181,466 | May 02, 1916 | W.T. Long | Wrench | pliers type wrenches |
| 1,299,510 | Apr. 08, 1919 | R.A. Rosander | Wrench | quick adjust wrenches |
| 1,380,794 | Jun. 07, 1921 | W. Gordon | Monkey Wrench | nut wrenches |
