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| All Patents in class 460/102 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,467 | Feb. 21, 1842 | A. Ralston | Grain Separator | corn and grain separators | |
| 3,497 | Mar. 20, 1844 | L. Whitman, E. Whitman, Jr. | Threshing-machine | threshers and thrashers | |
| RE342 | Jan. 15, 1856 | A. Ralston | Grain Separator | corn and grain separators | |
| 402,893 | May 07, 1889 | C.H. Bidwell | Bean Thrashing Machine | threshers and thrashers | |