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| Patents for Francis M. Carnahan | |||||
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| Number | Date | Patentee | Title | Type | |
| 168,226 | Sep. 28, 1875 | F.M. Carnahan | Improvement in sawing-machines | drag saws | |
| 363,588 | May 24, 1887 | F.M. Carnahan | Stump-sawing machine | tree felling machines | |