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| Patents Granted on 1815-01-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,252X | Jan. 23, 1815 | E. Brown | Generating steam for distilling | distilling apparatus | |
| 2,253X | Jan. 23, 1815 | P.M. Hackley | Boiler and furnace united | stationary boilers | |