Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6268590 | Apparatus and method for continuous retorting of mercury from ores and others mercury contaminated materials | Charles O. Gale | 2001-07-31 |
| 6017428 | Electrowinning cell | Charles O. Gale | 2000-01-25 |