| All Patents in class 81/162 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 14,249 | Feb. 12, 1856 | E.P. Newton | Wrench |
 | 195,173 | Sep. 11, 1877 | C. Burroughs, A.A. Sanborn | Monkey-Wrenches |
 | RE8,005 | Dec. 18, 1877 | C. Burroughs, A.A. Sanborn | Monkey-Wrench |
 | 263,794 | Sep. 05, 1882 | D.S. Maynard | Wrench |
 | 267,505 | Nov. 14, 1882 | J. Du Shane | Wrench |
 | 300,717 | Jun. 17, 1884 | F.W. Merrick | Wrench |
 | 326,837 | Sep. 22, 1885 | D.S. Blue | Wrench |
 | 402,265 | Apr. 30, 1889 | V.J. McDonnell | Improved Monkey-Wrench |
 | 415,183 | Nov. 12, 1889 | V.J. McDonnell | Wrench |
 | 449,129 | Mar. 31, 1891 | V.J. McDonnell | Monkey Wrench |
