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| Patents for Laban Durham | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,833X | Jul. 27, 1827 | L. Durham, J.S. Pleasants | Straw Cutting Machine | hay or straw cutters | |
| 4,834X | Jul. 28, 1827 | L. Durham, J.S. Pleasants | Machine for cutting wheat | ||