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| Patents Granted on 1812-08-06 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,786X | Aug. 06, 1812 | B. Lies | Cog and pendulum pump | pumps | |
| 1,787X | Aug. 06, 1812 | I. Hathaway | Fire engines | fire engines | |
| 1,788X | Aug. 06, 1812 | J. Perkins, A. Pollock | Fire engines | fire engines | |