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| Patents Granted on 1831-11-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,845X | Nov. 21, 1831 | R. Emes | Scouring leather | polishing and buffing machinery | |
| 6,846X | Nov. 21, 1831 | R. Emes | Polishing, graining, and diceing Morocco | polishing and buffing machinery | |
| 6,847X | Nov. 21, 1831 | J. Lowe | metamorphosic alleviator bedstead | ||