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| Patents Granted on 1820-11-24 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,260X | Nov. 24, 1820 | J. Brown | Fan Mill | miller | |
| 3,261X | Nov. 24, 1820 | J. Burr | Machine for finishing leather | leatherworker | |
| 3,262X | Nov. 24, 1820 | L. Dow | Improvement in medicine | ||
| 3,263X | Nov. 24, 1820 | T. Rowell | Making wooden pegs for boots and shoes | shoe peg machines | |