| All Patents in class 81/186 |
Patents 61 -
75
of 203
      |
| Number | Date | Patentee | Title | Type |
| 411,872 | Oct. 01, 1889 | G.F. Newell | Pipe Wrench | pipe wrenches |
| 413,180 | Oct. 22, 1889 | E.D. Ely | Combination Tool | combination tools |
| 413,940 | Oct. 29, 1889 | J.T. Hawkins | Pipe Wrench | alligator wrenches |
| 414,799 | Nov. 12, 1889 | B. Donahue | Pipe and Nut Wrench | pipe and nut combination wrenches |
| 421,892 | Feb. 25, 1890 | H.A. Tripp, A.J. Barber | Pipe Wrench | pipe wrenches |
| 440,564 | Nov. 11, 1890 | G.W. Hammond | Pipe Wrench | pipe wrenches |
| 444,511 | Jan. 13, 1891 | T.F. Vandegrift | Wrench | quick adjust wrenches |
| 447,665 | Mar. 03, 1891 | F.S. Cook | Wrench | pipe and nut combination wrenches |
| 447,952 | Mar. 10, 1891 | T.D. Keith | Wrench | self-adjust wrenches |
| 448,013 | Mar. 10, 1891 | B.B. Farris | Wrench | pipe wrenches |
| 448,124 | Mar. 10, 1891 | C.C. Conroy | Improvements in Pipe-Wrenches and Pipe-Tongs | wrench jaw components |
| 448,619 | Mar. 17, 1891 | C.F. West | Pipe Wrench | pipe wrenches |
| 454,612 | Jun. 23, 1891 | B. Donahue | Wrench | wrench jaw components |
| 455,694 | Jul. 07, 1891 | E.H. Steltz | Wrench For Vehicle Wheels | axle nut wrenches that lock nut to wheel hub |
| 459,377 | Sep. 08, 1891 | J.G. Lind | Combined Wrench and Gas Pipe Tongs | pipe wrenches |
