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| Patents Granted on 1827-08-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,868X | Aug. 31, 1827 | A. Bull, M. Cass | Two edged saw | handsaws | |
| 4,869X | Aug. 31, 1827 | T. Thorpe | Construction of boats | boats and ships | |
| 4,870X | Aug. 31, 1827 | D. Flint | In the machine for paying or filling the seams of ships and other vessels called a pitch syringe | nautical | |
| 4,871X | Aug. 31, 1827 | D. Corey | Hydraulic elevator | elevators and lifts | |