| All Patents in class 81/179 |
Patents 16 -
30
of 73
      |
| Number | Date | Patentee | Title | Type |
| 404,619 | Jun. 04, 1889 | J.T. Hawkins | Pipe Wrench | alligator wrenches |
| 405,259 | Jun. 18, 1889 | J.S. Henry | Pipe Wrench Attachment for Sliding-Jaw Wrench | pipe jaw attachments for wrenches |
| 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 |
| 454,222 | Jun. 16, 1891 | J.A. Miller | Wrench | quick adjust wrenches |
| 454,896 | Jun. 30, 1891 | C.A. Adams | Wrench | pipe wrenches |
| 455,694 | Jul. 07, 1891 | E.H. Steltz | Wrench For Vehicle Wheels | axle nut wrenches that lock nut to wheel hub |
| 461,714 | Oct. 20, 1891 | J. Ryan | Pipe Wrench | pipe wrenches |
| 464,192 | Dec. 01, 1891 | H.K. Carpenter | Pipe Wrench | alligator wrenches |
| 466,157 | Dec. 29, 1891 | F.S. Cook | Spanner Wrench | wrench jaw components |
| 478,948 | Jul. 12, 1892 | A. Bareis | Pipe Wrench | alligator wrenches |
| 489,822 | Jan. 10, 1893 | G.W. Martin | Wrench | quick adjust wrenches |
| 491,056 | Jan. 31, 1893 | C.H. Kraft | Wrench | pipe wrenches |
| 510,182 | Dec. 05, 1893 | H. Martini | Pipe Wrench | pipe wrenches |
| 516,286 | Mar. 13, 1894 | L. Wachtler | Pipe Wrench | self-adjust wrenches |
