| All Patents in class 81/173 |
Patents 1 -
15
of 29
      |
| Number | Date | Patentee | Title | Type |
| 29,620 | Aug. 14, 1860 | E. Ripley | Improved Adjustable Wrench and Pincers | wrench combination tools |
| 88,623 | Apr. 06, 1869 | G.P. Ganster | Improvement in Wrench | screw adjust wrenches |
| 109,747 | Nov. 29, 1870 | J.W. Mahlon | Pipe Vise | pipe and chain vises |
| 138,932 | May 13, 1873 | H.F. Read | Improvement in Wrenches | quick adjust wrenches |
| 182,709 | Sep. 26, 1876 | J.T. Reed | Improvement in Wrenches | screw adjust wrenches |
| 219,853 | Sep. 23, 1879 | C.H. Fisher | Wrench | screw adjust wrenches |
| 241,881 | May 24, 1881 | H.F. Read | Wrench | nut wrenches |
| 273,170 | Feb. 27, 1883 | F.H. Seymour | ACME Twist Handle | wrench handle components |
| 274,113 | Mar. 20, 1883 | J.A. Dodge | Wrench | screw adjust wrenches |
| 327,559 | Oct. 06, 1885 | A. Langstrom | Wrench | wrench jaw components |
| 337,627 | Mar. 09, 1886 | F.H. Seymour | Pipe Wrench Attachment For Monkey Wrenches | chain and strap wrenches |
| 390,402 | Oct. 02, 1888 | J. Rose | Pipe Wrench | pipe wrenches |
| 411,872 | Oct. 01, 1889 | G.F. Newell | Pipe Wrench | pipe wrenches |
| 447,665 | Mar. 03, 1891 | F.S. Cook | Wrench | pipe and nut combination wrenches |
| 460,539 | Sep. 29, 1891 | L. Schlesinger | Wrench | screw adjust wrenches |
