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| Patents for William Manning | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,258X | Nov. 24, 1830 | W. Manning | Machine for hulling clover seed, rice, barley, etc. | clover hullers | |
| 6,539X | May 03, 1831 | W. Manning | Machine for cutting grass and grain | ||