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| Patents Granted on 1833-03-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,476X | Mar. 11, 1833 | O.H. Brooks | Washing machine and churn | washing machines | |
| 7,477X | Mar. 11, 1833 | J. Boynton | Carding wool | cloth carding machines | |
| 7,478X | Mar. 11, 1833 | R. Eastman | Reacting water wheel | water wheels | |
| 7,479X | Mar. 11, 1833 | B.F. Pomeroy, A. Pott | Rotary steam engine | steam engines | |