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| Patents Granted on 1830-04-02 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,901X | Apr. 02, 1830 | T. Beach | Propelling boats | nautical propulsion apparatus | |
| NX-5,902 | Apr. 02, 1830 | U. Carlton, U. Whiting, Jr. | Clap boards | clapboard machines | |
| 5,902X | Apr. 02, 1830 | S. Carsley, II | Shoemakers' lasts | cobbler | |
| 5,903X | Apr. 02, 1830 | E.R. Otis | Self-operating loom temples | textile machines | |