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| Patents Granted on 1815-06-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,330X | Jun. 21, 1815 | J. Elgar (Elgar) | Nail machine | nail making machines | |
| 2,331X | Jun. 21, 1815 | L. Hedge, T.M. Pomroy | Spring Pen Ruler | rules | |