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| All Patents in class 209/151 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,410 | Jan. 06, 1848 | J. Thurston | Grain Winower | grain hullers | |
| 13,644 | Oct. 09, 1855 | P. Geiser | Grain-separator | corn and grain separators | |
| 195,586 | Sep. 25, 1877 | W.W. Dingee | Thrashing-Machines | threshers and thrashers | |