| All Patents of Type: alligator wrenches |
Patents 1 -
15
of 107
      |
| Number | Date | Patentee | Title | Type |
| 35,971 | Jul. 22, 1862 | J.H. Doolittle | Pipe Wrench | pipe wrenches |
| 61,715 | Feb. 05, 1867 | J.W. Close | Improvement in Pipe Wrenches | wrench jaw components |
| D3,582 | Jul. 13, 1869 | C.N. Morgan | Design for a Wrench-Head | alligator wrenches |
| 135,773 | Feb. 11, 1873 | W.H. Burton | Improvement in Pipe-Wrenches | alligator wrenches |
| 149,559 | Apr. 14, 1874 | H.E. Acker | Adjustable Pipe-Wrenches | pipe wrenches |
| CA-5,092 | Aug. 24, 1875 | P.M. Thompson | Pipe Wrench | alligator wrenches |
| 167,368 | Aug. 31, 1875 | G.W. Waitt | Improvement in Pipe-Wrenches | pipe wrenches |
| 205,081 | Jun. 18, 1878 | J. Hartman, Jr. | Pipe-Wrench | alligator wrenches |
| 207,182 | Aug. 20, 1878 | B.S. Hyers | Improvements in Pipe and Nut Wrenches | pipe and nut combination wrenches |
| 227,768 | May 18, 1880 | G.W. Griffiths | Pipe-Wrench | alligator wrenches |
| 242,130 | May 31, 1881 | S.E. Hurlbut | Wrench | alligator wrenches |
| D13,065 | Jul. 18, 1882 | B.F. Pickering | Always Ready Wrench | alligator wrenches |
| 280,793 | Jul. 10, 1883 | A.W. Case | Pipe Wrench | alligator wrenches |
| CA-17,229 | Jul. 12, 1883 | A.W. Case | Improvements in Pipe Wrenches | alligator wrenches |
| 296,540 | Apr. 08, 1884 | D.M. De Silva | EUREKA ALLIGATOR PIPE TONG OR WRENCH | pipe wrenches |
