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| Patents Granted on 1816-05-18 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,594X | May 18, 1816 | P. Paddleford | Spinning wool and cotton | spinner | |
| 2,595X | May 18, 1816 | M. Elliot | Tub winnowing mill | winnowing machines | |