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Patents Granted on 1830-04-06 | |||||
Number | Date | Patentee | Title | Type | |
5,904X | Apr. 06, 1830 | A. Rodgers | Chain Paddle Wheel | nautical propulsion apparatus | |
5,905X | Apr. 06, 1830 | N. Crary, E.P. Crary | Making wooden pill boxes | box making machines |