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| Patents for Daniel Barnum | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,185 | Mar. 13, 1849 | T.J. Wells, D. Barnum | Planing-machine | wood planers | |
| 6,195 | Mar. 20, 1849 | T.J. Wells | Planing-machine | wood planers | |
| 20,851 | Jul. 06, 1858 | J. Lowe | Steam Pressure Gage | steam pressure gauges | |