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| Patents for Frank Hutchinson | |||||
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| Number | Date | Patentee | Title | Type | |
| 152,302 | Jun. 23, 1874 | J.W. Mixter | Improvement in saw-gummers | saw gummers | |
| 172,469 | Jan. 18, 1876 | J.W. Mixter | Improvement in saw-gummers | saw gummers | |