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| Patents Granted on 1831-08-25 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,726X | Aug. 25, 1831 | J.E. Eldred | Level and plumb instrument | levels | |
| 6,727X | Aug. 25, 1831 | J.M. Downing | Kiln for Burning Lime | kilns | |
| 6,728X | Aug. 25, 1831 | J. French | Manufacturing spring beds | ||
| 6,729X | Aug. 25, 1831 | W. Gambel | Bedstead | ||
| 6,730X | Aug. 25, 1831 | W. Thomas | Manufacturing shingles | shingle machines | |
| 6,731X | Aug. 25, 1831 | L.W. Wright | Manufacturing sugar | ||