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| All Patents in class 56/363 | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,341 | Oct. 19, 1852 | P. Geiser | Grain-separator | corn and grain separators | |
| 13,644 | Oct. 09, 1855 | P. Geiser | Grain-separator | corn and grain separators | |