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| Patents Granted on 1822-05-14 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,521X | May 14, 1822 | J. Barron | Angle lever | ||
| 3,522X | May 14, 1822 | J. Barron | Stove | stoves | |
| 3,523X | May 14, 1822 | J. Ames | Machine for making paper | ||