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| All Patents in class 100/209 | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,544X | Mar. 30, 1836 | A.R. Chamberlin, C. Artemas | Hay press | hay or straw presses | |
| 272,718 | Feb. 20, 1883 | W.J. Liddell | Portable press | hay or straw presses | |
| 2,966,842 | Jan. 03, 1961 | J.B. Roche | Briquetting machines | ||