![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for E. V. Freeman | |||||
| Number | Date | Patentee | Title | Type | |
| 5,438X | Apr. 07, 1829 | H.B. Chew, E.V. Freeman | Composition to Be Used in the Fusion, Refining, or Working of Metals or Ores | refining ores | |