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| Patents Granted on 1844-02-07 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,426 | Feb. 07, 1844 | E.A. Lester | Oscillating Steam Engine | oscillating steam engines | |
| 3,427 | Feb. 07, 1844 | T. Loring | Improvement in flasks for molding hinges | hinges | |