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| Patents Granted on 1827-08-29 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,864X | Aug. 29, 1827 | M. Cass | Washing machine, called accelerating washer | washing machines | |
| 4,865X | Aug. 29, 1827 | J.M. Benham | Making aqueducts of water proof lime | ||