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| Patents Granted on 1818-02-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,917X | Feb. 28, 1818 | S. Nixon | Machine for kneading dough | ||
| 2,918X | Feb. 28, 1818 | J.L. Sullivan | Wheel regulator and spare gear for the steam engine | steam engines | |
| 2,919X | Feb. 28, 1818 | J.L. Sullivan | Supply chamber for the steam engine | steam engines | |
| 2,920X | Feb. 28, 1818 | J.L. Sullivan | Boiler for the steam engine | stationary boilers | |
| 2,921X | Feb. 28, 1818 | F. Maltby, B. Maltby | Machine for hulling grain | miller | |