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| Patents for John Thomas Hawkins | |||||
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| Number | Date | Patentee | Title | Type | |
| 404,619 | Jun. 04, 1889 | J.T. Hawkins | Pipe Wrench | alligator wrenches | |
| GB-188,909,296 | Jun. 04, 1889 | H.H. Lake, J.T. Hawkins | Pipe Wrenches | alligator wrenches | |
| 413,940 | Oct. 29, 1889 | J.T. Hawkins | Pipe Wrench | alligator wrenches | |
| DE-50,326 | Jan. 13, 1890 | J.T. Hawkins | Rohrschlüssel | alligator wrenches | |
| CA-34,269 | May 07, 1890 | J.T. Hawkins | Wrench | alligator wrenches | |