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| Patents Granted on 1847-12-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,389 | Dec. 11, 1847 | A.W. Whitney | Sheet-Metal Roller Tool | sheet metal | |
| 5,394 | Dec. 11, 1847 | J.W. Cochran | Mill for sawing warped or curved surfaces | reciprocating saws | |