| All Patents in class 81/177.9 |
Patents 31 -
44
of 44
      |
| Number | Date | Patentee | Title | Type |
| 1,101,381 | Jun. 23, 1914 | W.C. Cummings, F.L. Bailey, A.E. Anderson | Wrench | screw adjust wrenches |
| 1,205,149 | Nov. 21, 1916 | R.Y. Bovee | Wrench | angle adjustable wrenches |
| 1,292,285 | Jan. 21, 1919 | M.J. Fairchild | Socket Wrench | socket wrenches |
| 1,428,805 | Sep. 12, 1922 | A.L. Holman, L.G. Reynolds | Wrench | angle adjustable wrenches |
| 1,432,813 | Oct. 24, 1922 | F.E. Walden | Wrench | angle adjustable wrenches |
| 1,645,319 | Oct. 11, 1927 | A.B. Cronquist | Tool Holder | tool holders |
| 1,720,650 | Jul. 09, 1929 | B.H. Purdy | Adjustable Wrench | quick adjust wrenches |
| 1,811,137 | Jun. 23, 1931 | W.C. Kress | Socket Wrench | socket wrenches |
| 2,028,561 | Jan. 21, 1936 | E.F. Pilger | Wrench Handle | wrench handle components |
| 2,138,725 | Nov. 29, 1938 | E.J. Brouhard | Drain Cock Wrench | drain cock wrenches |
| 2,294,510 | Sep. 01, 1942 | R. Nakano | Hinged Rachet Wrench | ratchet wrenches |
| 2,699,082 | Jan. 11, 1955 | W. Viets | Ratchet Wrench | ratchet wrenches |
| 4,825,734 | May 02, 1989 | G.R. Slivon, P.K. Schwalbe | Variable Leverage Tool Handle | tool handles |
| 5,280,738 | Jan. 25, 1994 | M. Liou | Hammer with Angle Adjustable Head | hammer handles |
