| All Patents in class 81/153 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 41,768 | Mar. 01, 1864 | G.W. Griswold | Nut Wrench | quick adjust wrenches |
| 287,998 | Nov. 06, 1883 | B.F. Bennett | Automatic Self-Setting Wrench | quick adjust wrenches |
| 323,776 | Aug. 04, 1885 | B.F. Bennett | Automatic Self-Setting Wrench | quick adjust wrenches |
| 564,816 | Jul. 28, 1896 | J.V. Chamberlin, R. Aldrich | Wrench | quick adjust wrenches |
| 576,996 | Feb. 16, 1897 | W.R. Bartram | Monkey Wrench | quick adjust wrenches |
| 591,118 | Oct. 05, 1897 | B.E. Horr | Wrench | quick adjust wrenches |
| 715,980 | Dec. 16, 1902 | T.Y. Vincent, O.P. Case | Wrench | nut wrenches |
| 1,004,903 | Oct. 03, 1911 | F.B. Rebagliati | Wrench | nut wrenches |
