| All Patents in class 81/171 |
Patents 31 -
45
of 172
      |
| Number | Date | Patentee | Title | Type |
| 100,602 | Mar. 08, 1870 | A.G. Coes | Wrench | wrench handle components |
| 100,978 | Mar. 22, 1870 | L. Chapman | Wrench | wrench jaw components |
| RE3,918 | Apr. 12, 1870 | G.C. Taft | Improvement in Wrenches | wrench handle components |
| 107,871 | Oct. 04, 1870 | W. Saul, D. Campbell | Improvement in Wrenches | screw adjust wrenches |
| 108,747 | Oct. 25, 1870 | E.J. Worcester | Wrench | screw adjust wrenches |
| 114,505 | May 02, 1871 | A.G. Coes | Improvement in Wrenches | wrench jaw components |
| 119,596 | Oct. 03, 1871 | J. Gates | Monkey Wrench | nut wrenches |
| 120,687 | Nov. 07, 1871 | A. Whitcomb | Improvement in Wrenches | nut wrenches |
| 121,027 | Nov. 14, 1871 | J.C. Stock, N. Warren | Wrench | wrench handle components |
| 121,083 | Nov. 21, 1871 | L. Chapman | Improvement in Wrenches | nut wrenches |
| 121,685 | Dec. 05, 1871 | G.C. Taft | Improvement in Screw-Wrenches | wrench handle components |
| 122,108 | Dec. 26, 1871 | A.G. Coes | Improvement in Wrenches | wrench handle components |
| 122,139 | Dec. 26, 1871 | G.C. Taft | Improvement in Wrenches | wrench handle components |
| 126,013 | Apr. 23, 1872 | H.G. Brown | Improvement in Wrenches | wrench handle components |
| RE4,902 | May 14, 1872 | G.C. Taft | Improvement in Wrenches | wrench handle components |
