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| Patents for Frederic T. Grant | |||||
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| Number | Date | Patentee | Title | Type | |
| 28,470 | May 29, 1860 | F.T. Grant | Sliver-machine | excelsior machines | |
| 37,960 | Mar. 24, 1863 | F.T. Grant | Lathe for turning irregular forms | pattern lathes | |