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| Patents Granted on 1847-10-30 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,343 | Oct. 30, 1847 | D. Buffum, A. Buffum | Rotary Steam Engine | rotary steam engines | |
| 5,350 | Oct. 30, 1847 | J.M. Abels | Water Wheel | water wheels | |