| All Patents in class 81/156 |
Patents 1 -
15
of 33
      |
| Number | Date | Patentee | Title | Type |
| AI125 | Jul. 17, 1855 | L.D. Gilman | Screw-Wrench | quick adjust wrenches |
| 63,935 | Apr. 16, 1867 | J.A. Partridge | Improvement in Wrenches | wrench jaw components |
| 86,534 | Feb. 02, 1869 | C. Hall | Improvement in Screw-Wrench | quick adjust wrenches |
| 102,058 | Apr. 19, 1870 | O.J. Smith | Wrench | quick adjust wrenches |
| 105,604 | Jul. 19, 1870 | O.J. Smith | Wrench | quick adjust wrenches |
| 149,840 | Apr. 21, 1874 | W.H. Crittendon | Wrenches | quick adjust wrenches |
| 170,860 | Dec. 07, 1875 | B.F. Joslyn | Wrench | quick adjust wrenches |
| 174,909 | Mar. 21, 1876 | A.T. Hyde | Improvement in Wrenches | quick adjust wrenches |
| 180,348 | Jul. 25, 1876 | B.F. Joslyn | Wrench | screw adjust wrenches |
| 190,636 | May 08, 1877 | L.S. Starrett | Wrench | screw adjust wrenches |
| 192,920 | Jul. 10, 1877 | B.F. Joslyn | Wrench | nut wrenches |
| 212,760 | Feb. 25, 1879 | L.S. Starrett | Wrench | screw adjust wrenches |
| 228,437 | Jun. 08, 1880 | S.H. Bellows | Monkey Wrench | screw adjust wrenches |
| 308,561 | Nov. 25, 1884 | J. Houlehan | Wrench | quick adjust wrenches |
| 333,963 | Jan. 05, 1886 | J.H. Miller | Wrench | screw adjust wrenches |
