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| Patents Granted on 1822-08-03 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,563X | Aug. 03, 1822 | W.H. Richardson | Machine for granulating gunpowder | gunsmith | |
| 3,564X | Aug. 03, 1822 | W. Mellus | Mode of covering the heads of the nails and bolts in vessels | nail making machines | |