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| All Patents in class 241/88.3 | |||||
| Number | Date | Patentee | Title | Type | |
| 932,745 | Aug. 31, 1909 | D.L. Adelsperger | Alfalfa-Cutting Machine | mowing machines | |
| 2,268,860 | Jan. 06, 1942 | H.N. Edens, C.B. Molter | Limestone pulverizer | ||