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| Patents Granted on 1804-08-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 568X | Aug. 10, 1804 | C. Veltenair | Metallic Grinder or Hone | honing tools | |
| 569X | Aug. 21, 1804 | N. Boureau | Nail Machine | nail making machines | |
| 570X | Aug. 28, 1804 | W. Harrington | Water Elevator | water elevators | |
| 571X | Aug. 29, 1804 | H. Betts | Windlass | ||