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| Patents Granted on 1801-05-__ | |||||
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| Number | Date | Patentee | Title | Type | |
| 325X | May 01, 1801 | N. Kent | Nails cut from iron hoops and rendered touch | nail making machines | |
| 326X | May 01, 1801 | D. Ellicot | Screw and reel stove grain drying machine | grain dryers | |
| GB-180,102,501 | May 14, 1801 | W. Hase | Steam engine cylinder and improved boiler | steam engines | |