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| Patents Granted on 1843-12-15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,380 | Dec. 15, 1843 | L. Boardman | Buff for Polishing Spoons | polishing machines | |
| 3,381 | Dec. 15, 1843 | H. Todd | Improvement in Seed Planters | ||