| All Patents in class 81/167 |
Patents 1 -
10
of 70
      |
| Picture | Number | Date | Patentee | Title |
 | 13,221 | Jul. 10, 1855 | B.F. Joslyn | Slide-Wrench |
 | 16,733 | Mar. 03, 1857 | B.F. Joslyn | Improvement in Screw-Wrenches |
 | 48,759 | Jul. 11, 1865 | W. Zimmerman | Improvement in revolving mortising-tools |
 | 56,166 | Jul. 10, 1866 | B. Boardman | Improved Tool |
 | 107,304 | Sep. 13, 1870 | D.C. Stillson | Improvement in Wrenches |
 | 202,259 | Apr. 09, 1878 | C.W. Hilton | Wrench |
 | 212,298 | Feb. 18, 1879 | C.E. Billings | Wrench |
 | 228,755 | Jun. 15, 1880 | R. Hayden | Monkey Wrench |
 | 261,217 | Jul. 18, 1882 | A.F. Fifield | Pipe Wrench |
 | 291,266 | Jan. 01, 1884 | N.W. Vandegrift, F. Armstrong | Pipe Wrench |
