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| Patents Granted on 1827-06-08 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,784X | Jun. 08, 1827 | J. Ammon | Mode of letting the water on water wheels | water wheels | |
| 4,785X | Jun. 08, 1827 | J.F. Walters | Construction of culinary fixtures for anthracite coal | household tools | |