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| All Patents in class 209/318 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 8,670X | Mar. 06, 1835 | T.B. Brown | Winnowing mill | ||
| 8,898X | Jun. 15, 1835 | J. Nichols | Winnowing machine | ||
| 9,558X | Mar. 31, 1836 | J. Beane | Winnowing machine | ||
 | 2,067 | Apr. 24, 1841 | Z. Rice | Machine for Cleaning and Winnowing Grain | |
 | 41,660 | Feb. 16, 1864 | S. Adams | Improvement in grain-separators | |
 | 73,485 | Jan. 21, 1868 | S. Adams | Improvement in winnowing-mills | |
| 575,452 | Jan. 19, 1897 | L. Albrecht, J. Albrecht | Fanning Mill | ||
| 734,214 | Jul. 21, 1903 | C.H. Bidwell | Threshing Machine | ||