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| All Patents in class 100/180 | |||||
| Number | Date | Patentee | Title | Type | |
| 643,995 | Feb. 20, 1900 | H.L. Whitman | Cotton-press | cotton presses | |
| 675,258 | May 28, 1901 | H.L. Whitman | Baling-press | hay or straw binders | |