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| Patents for Frederick A. Fickhardt | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,622X | Apr. 28, 1836 | F.A. Fickhardt | Stove | stoves | |
| 23 | Sep. 08, 1836 | F.A. Fickhardt | Furnace for Warming Buildings | ||