| All Patents in class 81/70 |
Patents 1 -
15
of 64
      |
| Number | Date | Patentee | Title | Type |
| 247,987 | Oct. 04, 1881 | W.H. Brock | Chain Wrench | chain and strap wrenches |
| 250,641 | Dec. 13, 1881 | W.H. Brock | Chain Wrench | chain and strap wrenches |
| 254,460 | Mar. 07, 1882 | M.T. Chapman | Pipe Wrench | chain and strap wrenches |
| 254,862 | Mar. 14, 1882 | W.H. Brock | Chain Wrench | chain and strap wrenches |
| 298,442 | May 13, 1884 | W.H. Brock | Chain Wrench | chain and strap wrenches |
| 373,603 | Nov. 22, 1887 | M. Quinlan | Chain Wrench | chain and strap wrenches |
| 377,795 | Feb. 14, 1888 | J.H. Williams | Chain Wrench | chain and strap wrenches |
| 381,424 | Apr. 17, 1888 | W.S. Rollings | Chain Wrench | chain and strap wrenches |
| 432,195 | Jul. 15, 1890 | G.W. Bufford | Pipe Tongs | chain and strap wrenches |
| 442,306 | Dec. 09, 1890 | G.W. Bufford | Chain Tongs | chain and strap wrenches |
| 442,569 | Dec. 09, 1890 | G.W. Bufford | Chain-Wrench | chain and strap wrenches |
| 499,508 | Jun. 13, 1893 | W.C. Redfield, J.C. Booth | Pipe Wrench | chain and strap wrenches |
| 522,795 | Jul. 10, 1894 | J. Lytle | Pipe Wrench | chain and strap wrenches |
| 523,356 | Jul. 24, 1894 | S. Kreisher | Pipe Wrench | chain and strap wrenches |
| 532,192 | Jan. 08, 1895 | J.C. Booth | Wrench for Pipes, &c. | pipe wrenches |
