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| Patents Granted on 1800-10-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 302X | Oct. 24, 1800 | R. Mansfield | Brick Machine | brick maker | |
| 303X | Oct. 24, 1800 | A. Brookfield | Raising water for mills | water elevators | |
| 304X | Oct. 24, 1800 | J.J. Hawkins | Improvement in musical instruments | music instrument maker | |
| 305X | Oct. 24, 1800 | J. Grout, Jr. | Telegraph | telegraphy apparatus | |