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| Patents Granted on 1843-04-15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,052 | Apr. 15, 1843 | J. Gallatin | Improvement in Plows | plows | |
| 3,053 | Apr. 15, 1843 | J. Hamilton | Machine for curvilinear and compound-bevel sawing | reciprocating sawmills | |