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| Patents Granted on 1802-12-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 411X | Dec. 21, 1802 | S. Lozarus | Antibilious stomach cordial | medical pills and syrups | |
| GB-180,202,670 | Dec. 21, 1802 | T. Saint | Method of increasing the effect of steam engines | stationary boilers | |