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| Patents for J. Francis Maher | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,925 | Jan. 13, 1847 | I. Crossett | Knife for cutting staves, &c. | cooper | |
| 4,936 | Jan. 21, 1847 | J.W. Ingle | Mortising shutters | mortising machines | |