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| Patents Granted on 1825-12-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,302X | Dec. 31, 1825 | L.L. Macomber | Mode of planking wool hats by machinery | trade specific | |
| 4,303X | Dec. 31, 1825 | E. Turner | Machine for raising boats | boat raising machines | |
| 4,304X | Dec. 31, 1825 | T. Norcross | Pressing unburnt bricks, etc. | brick maker | |