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| All Patents in class 100/291 | |||||
| Number | Date | Patentee | Title | Type | |
| 410,473 | Sep. 03, 1889 | H.L. Whitman | Baling-press | hay or straw binders | |
| 3,678,792 | Jul. 25, 1972 | F. Dvorak | Metal plate shears | metal shearing machines | |