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| Patents Granted on 1827-09-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,885X | Sep. 28, 1827 | J.W. Armour | Composition for preventing scurvy | ||
| 4,886X | Sep. 28, 1827 | A.B. Graham | Improvement in Johnson's saw mill | sawmills | |
| 4,887X | Sep. 28, 1827 | F. Kellsey | Washing machine | washing machines | |