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| Patents Granted on 1829-04-30 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,473X | Apr. 30, 1829 | H. Averill | Mill for Grinding Grain, Paints, &c. | grinding mills | |
| 5,474X | Apr. 30, 1829 | A. Stone | Power Loom | looms | |