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| Patents for Charles H. Barnum | |||||
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| Number | Date | Patentee | Title | Type | |
| 127,211 | May 28, 1872 | J.G. Aram | Improvement in machines for turning carriage-axles | carriage maker | |
| 183,632 | Oct. 24, 1876 | C.H. Barnum, W.C. Brockus | Improvement in planing-machines | wood planers | |