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| Patents for F. G. Pennell | |||||
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| Number | Date | Patentee | Title | Type | |
| 223,954 | Jan. 27, 1880 | B.M. Root | Cultivator | cultivators and tillers | |
| 239,552 | Mar. 29, 1881 | B.M. Root | Corn-sheller | corn shellers | |