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| Patents Granted on 1825-12-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,295X | Dec. 22, 1825 | E. Ripley | Mortising machine | mortising machines | |
| 4,296X | Dec. 22, 1825 | L.M. Wiss (Wise), L.H. Clarke | Fresh water dry docks | ||