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| Patents for Whitman Agricultural Works | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,497 | Mar. 20, 1844 | L. Whitman, E. Whitman, Jr. | Threshing-machine | threshers and thrashers | |
| 29,738 | Aug. 21, 1860 | L. Whitman, E. Whitman | Improvement in casting cylinders for thrashing-machines | threshers and thrashers | |
| 380,966 | Apr. 10, 1888 | W.E. Whitman | Feed-cutter | hay or straw cutters | |