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Patents Granted on 1813-10-27 | |||||
Number | Date | Patentee | Title | Type | |
2,016X | Oct. 27, 1813 | H. Alexander | Grinding and reducing ores into powder and preparing them for various uses | ore processing apparatus | |
2,017X | Oct. 27, 1813 | A. Anderson | Improvement in his condensing tub for heating water for distillation |