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| Patents Granted on 1803-02-01 | |||||
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| Number | Date | Patentee | Title | Type | |
| 420X | Feb. 01, 1803 | J. Moffat | Boiler for accelerating the evaporation of liquids | stationary boilers | |
| 421X | Feb. 01, 1803 | J. Moffat | Improvement in Stills | steam stills | |
| 422X | Feb. 01, 1803 | B. Cooley | Machine for raising water | water elevators | |
| 423X | Feb. 01, 1803 | J. Peasley | Manufacturing Marle into Lime | manufacturing lime | |