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| Patents Granted on 1828-04-25 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,082X | Apr. 25, 1828 | D. Greer | A composition for making roofs fire and water proof | ||
| 5,083X | Apr. 25, 1828 | W. Linn | Improvement in the lever press | ||