| All Patents in class 81/177.1 |
Patents 1 -
15
of 195
      |
| Number | Date | Patentee | Title | Type |
| 24,190 | May 31, 1859 | J.W. Brewster | Wrench | quick adjust wrenches |
| 31,693 | Mar. 12, 1861 | G.B. Phillips | Improvements in Wagon-Wrenches | axle nut wrenches |
| 32,106 | Apr. 16, 1861 | G.W. Martin | Improvement in Wrenches | wrench jaw components |
| 51,465 | Dec. 12, 1865 | J.P. Lindsay | Improved Wrench | nut wrenches |
| 56,996 | Aug. 07, 1866 | A. Newton, F. Favro | Improvement in Wrenches | nut wrenches |
| 65,489 | Jun. 04, 1867 | L. Jordan | Nut Wrench | wrench jaw components |
| 70,923 | Nov. 12, 1867 | T.D. Vorhees | Improvement in Screw-Drivers | screwdriver mechanisms |
| 87,715 | Mar. 09, 1869 | W.H. Sible | Improvement in bit-stock | brace chucks |
| 87,774 | Mar. 16, 1869 | H.W. Hewet | Mode of Constructing a Tubular Adjusting Screw-Wrench | nut wrenches |
| 88,623 | Apr. 06, 1869 | G.P. Ganster | Improvement in Wrench | screw adjust wrenches |
| 97,849 | Dec. 14, 1869 | S. Zarley | Improvement in Monkey-Wrench | nut wrenches |
| 103,653 | May 31, 1870 | T.C. Purington | Wrench | screw adjust wrenches |
| 103,975 | Jun. 07, 1870 | R.P. Buttles | Improvement in tool-holders | tool holders |
| 117,677 | Aug. 01, 1871 | D. Pfouts | Improvement in File Handles | |
| 117,679 | Aug. 01, 1871 | G.B. Phillips | Improvement in Wrenches | wrenches |
