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| Patents Granted on 1803-06-15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 462X | Jun. 15, 1803 | R. Giles, R. Graves, S. Morey | Steam Engine | steam engines | |
| 463X | Jun. 15, 1803 | W. Bache, A. Day, I. Todd | Physiognotrace | physiognotraces | |