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| Patents Granted on 1823-12-24 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,794X | Dec. 24, 1823 | N. Goodwin | Rectangular protractor | protractors | |
| 3,795X | Dec. 24, 1823 | J.A. McLean, H. Betts | Steam generator or boiler | stationary boilers | |