| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Charles A. Cook | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 132 | Feb. 25, 1837 | T. Davenport | Improvement in propelling machinery by magnetism and electro-magnetism | DC motors | |
| 6,121 | Feb. 20, 1849 | R. Cook | Improvement in Electro-Magnetic Ore-Separators | ore processing apparatus | |