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| Patents for Abraham V. DeWitt | |||||
| Number | Date | Patentee | Title | Type | |
| 101,809 | Apr. 12, 1870 | L.A. Aspinwall | Corn Husker | corn huskers | |
| RE4,099 | Aug. 16, 1870 | L.A. Aspinwall | Corn Husker | corn huskers | |