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| Patents Granted on 1847-03-06 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,997 | Mar. 06, 1847 | J. Cumberland | Machine for reducing and planing boards | wood planers | |
| 4,998 | Mar. 06, 1847 | J. Maxson | Improvement in Hanging Carriage-Bodies | ||
| 5,003 | Mar. 06, 1847 | P.C. Traver | Machinery for cutting cork | cork making machines | |