| All Patents in class 81/162 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 14,249 | Feb. 12, 1856 | E.P. Newton | Wrench | quick adjust wrenches |
| 195,173 | Sep. 11, 1877 | C. Burroughs, A.A. Sanborn | Monkey-Wrenches | quick adjust wrenches |
| RE8,005 | Dec. 18, 1877 | C. Burroughs, A.A. Sanborn | Monkey-Wrench | quick adjust wrenches |
| 263,794 | Sep. 05, 1882 | D.S. Maynard | Wrench | quick adjust wrenches |
| 267,505 | Nov. 14, 1882 | J. Du Shane | Wrench | quick adjust wrenches |
| 300,717 | Jun. 17, 1884 | F.W. Merrick | Wrench | wrench combination tools |
| 326,837 | Sep. 22, 1885 | D.S. Blue | Wrench | quick adjust wrenches |
| 402,265 | Apr. 30, 1889 | V.J. McDonnell | Improved Monkey-Wrench | quick adjust wrenches |
| 415,183 | Nov. 12, 1889 | V.J. McDonnell | Wrench | quick adjust wrenches |
| 449,129 | Mar. 31, 1891 | V.J. McDonnell | Monkey Wrench | quick adjust wrenches |
| 451,023 | Apr. 28, 1891 | J.H. Brown | Wrench | screw adjust wrenches |
| 453,820 | Jun. 09, 1891 | C.E. Pickens | Wrench | quick adjust wrenches |
| 538,841 | May 07, 1895 | V.J. McDonnell | Monkey Wrench | quick adjust wrenches |
| 635,767 | Oct. 31, 1899 | W. Gleason | Wrench | quick adjust wrenches |
| 636,247 | Nov. 07, 1899 | C. Engstrand | Wrench | quick adjust wrenches |
