| All Patents in class 81/171 |
Patents 16 -
30
of 172
      |
| Number | Date | Patentee | Title | Type |
| 55,932 | Jun. 26, 1866 | G.C. Taft | Improvement In Wrenches | wrench handle components |
| 56,628 | Jul. 24, 1866 | R.S. Stenton | Improvement in Wrenches | nut wrenches |
| 60,801 | Jan. 01, 1867 | R.S. Stenton | Improvement in Wrenches | nut wrenches |
| 62,291 | Feb. 19, 1867 | J.B. Savage | Improvement in the Construction of a Common "Monkey Wrench" | nut wrenches |
| 67,818 | Aug. 13, 1867 | G.C. Taft | Improvement in Wrenches | screw adjust wrenches |
| 85,049 | Dec. 22, 1868 | H.E. Anthony | Wrench | nut wrenches |
| 87,547 | Mar. 09, 1869 | L. Coes | Improvement in the Construction of Monkey-Wrenches | wrench handle components |
| 88,230 | Mar. 23, 1869 | G.C. Taft | Improvement in Wrench | nut wrenches |
| RE3,350 | Mar. 30, 1869 | A.G. Coes | Improvement in Wrenches | nut wrenches |
| 88,621 | Apr. 06, 1869 | E. Froggatt | Improvement in Wrench and Pincers | combination tools |
| 89,702 | May 04, 1869 | G.C. Taft | Wrench | wrench adjustment locks |
| RE3,483 | Jun. 01, 1869 | G.C. Taft | Improvement in Wrenches | nut wrenches |
| 92,969 | Jul. 27, 1869 | H.A. House | Improvement in Screw-Wrench | wrench jaw components |
| 93,521 | Aug. 10, 1869 | L. Coes | Improvement in Monkey-Wrench | wrench handle components |
| RE3,852 | Feb. 22, 1870 | L.E. Smith, L. Jordan | Improvement in Wrenches | wrench handle components |
