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| Patents Granted on 1829-04-15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,453X | Apr. 15, 1829 | A. Salisbury | Machine for Cleaning Flax and Hemp | flax and hemp machines | |
| 5,454X | Apr. 15, 1829 | E. Cady, B. Lapham | New and Useful Machine for the Forming and Constructing of Hat Bodies | hat making machines | |