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| Patents Granted on 1831-08-03 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,684X | Aug. 03, 1831 | I. Fobes | Stave jointer | cooper | |
| 6,685X | Aug. 03, 1831 | N. Tyson | Kiln for drying flour by means of heated air | kilns | |