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| All Patents in class 111/52 | |||||
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| Number | Date | Patentee | Title | Type | |
| 79,576 | Jul. 07, 1868 | C.H. See, H. Keeney | Corn Planter | corn planters | |
| 1,886,457 | Nov. 08, 1932 | F.D. Winkley | Transplanting Machine | crop planters | |