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| All Patents in class 193/2R | |||||
| Number | Date | Patentee | Title | Type | |
| 25,415 | Sep. 13, 1859 | A.H. Inskeep | Improvement in Harvesting Machines | harvesters | |
| 566,841 | Sep. 01, 1896 | F.B. Charroin | Pneumatic Stacker | hay or straw stackers | |