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| Patents Granted on 1831-12-14 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,862X | Dec. 14, 1831 | M.B. Hand | Washing with or without steam | washing machines | |
| 6,863X | Dec. 14, 1831 | J. Lammon | Thrashing machine and horse power | threshers and thrashers | |