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| Patents Granted on 1828-04-17 | |||||
| Number | Date | Patentee | Title | Type | |
| 5,071X | Apr. 17, 1828 | W. Brown | Reel for handling hides, skins, etc. | ||
| 5,072X | Apr. 17, 1828 | C. Emmons | Thrashing Machine | threshers and thrashers | |