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| Patents Granted on 1834-04-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,162X | Apr. 23, 1834 | F. Fossard | Dying with alkaline prussiates, manufacturing potash | manufacturing potash | |
| 8,163X | Apr. 23, 1834 | A. Plantou | Steamboats and other vessels and propelling them on canals without injuring the banks | shipwright | |
| 8,164X | Apr. 23, 1834 | L.S. Steele, F. Smith | Diving suit | ||