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| Patents Granted on 1824-04-09 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,844X | Apr. 09, 1824 | L. Peck | Corn shelling machine | miller | |
| 3,845X | Apr. 09, 1824 | W. Beach | Self-sharpening plough | plows | |