| All Patents in class 81/160 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 54,290 | May 01, 1866 | R.B. Butler | Improvement in Wrenches |
 | 122,916 | Jan. 23, 1872 | R.S. Sanborn | Improvement in Rotating Wrenches |
 | 197,253 | Nov. 20, 1877 | C.H. Covell | Improvement In Wrenches |
 | 338,874 | Mar. 30, 1886 | J. Pusey | Wrench |
 | 414,772 | Nov. 12, 1889 | W.H. Kaltenbeck | Monkey Wrench |
 | 492,401 | Feb. 28, 1893 | W.H. Kaltenbeck | Wrench |
 | 513,308 | Jan. 23, 1894 | L.P. Davidson | Wrench |
 | 516,591 | Mar. 13, 1894 | J.F. Cook | Wrench |
 | 554,284 | Feb. 11, 1896 | P. Lorang | Wrench |
 | 591,893 | Oct. 19, 1897 | E.B. Smith | Wrench |
