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Patents Granted on 1822-02-05 | |||||
Number | Date | Patentee | Title | Type | |
3,451X | Feb. 05, 1822 | T. Pharo | Process of making warm pressed castor oil from castor beans | ||
3,452X | Feb. 05, 1822 | W.G. Shuart | Plough | plows |