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| Patents Granted on 1830-03-08 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,864X | Mar. 08, 1830 | P. Blake | Tooth brush | brushes or brooms | |
| 5,865X | Mar. 08, 1830 | J.J. Giraud | Boilers, steam stoves, chimneys, etc. | stationary boilers | |