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| All Patents in class 241/235 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,701X | Aug. 08, 1833 | B.R. Greene | Straw cutter | hay or straw cutters | |
| RE2,119 | Dec. 05, 1865 | A.S. Macomber | Improvement in straw-cutters | hay or straw cutters | |
| 416,204 | Dec. 03, 1889 | J.F. Winchell | Crushing and Grinding Mill | grinding mills | |
| 461,789 | Oct. 20, 1891 | J.F. Winchell | Crushing and Grinding Mill | grinding mills | |