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| Patents Granted on 1826-05-02 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,419X | May 02, 1826 | S. Wheelock, B. Hunt | Improvement on Calvin Merrill's horizontal spinner | spinner | |
| 4,420X | May 02, 1826 | J. Willerd (Willard) | Machine for pressing bricks | brick maker | |
| 4,421X | May 02, 1826 | J. Matthews | Vertical spinning jenny | spinner | |