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| Patents Granted on 1824-04-02 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,839X | Apr. 02, 1824 | N. Wildman | Machine for steaming and hardening hats | milliner | |
| 3,840X | Apr. 02, 1824 | J. Dewey | Spring lancet | ||
| 3,841X | Apr. 02, 1824 | G. Brooks | Wheel for spinning wool | spinner | |
| NX-182,404,021 | Apr. 02, 1824 | J. Gallaway | Tobacco and Iron Case Press | tobacco machinery | |