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| Patents Granted on 1803-05-14 | |||||
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| Number | Date | Patentee | Title | Type | |
| 450X | May 14, 1803 | G.F. Saltonstall | Rolling machine for cleaning cotton | cotton gins | |
| 451X | May 14, 1803 | D. Ilsley | Improvement in Distilling Spirits | distilling | |