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| Patents Granted on 1804-04-17 | |||||
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| Number | Date | Patentee | Title | Type | |
| 544X | Apr. 17, 1804 | M. Garber | Nail Machine | nail making machines | |
| 545X | Apr. 17, 1804 | J.J. Girand | Double steam bath still | steam stills | |