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| Patents for Charles Nelson | |||||
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| Number | Date | Patentee | Title | Type | |
| 106,857 | Aug. 30, 1870 | C. Nelson | Lubricator | steam engine lubricators | |
| 194,967 | Sep. 11, 1877 | C.M. Hyer | Improvement in Wood-Worker's Floats | files | |