Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310413 | Process and apparatus for extraction of metal values from metal bearing ores | — | 1994-05-10 |
| 5308380 | "MIC oxygenation: ""extraction of metals values from metals bearing ores""" | Anthony R. Stephens | 1994-05-03 |
| 5288302 | Method and apparatus for extraction of metal values from metal bearing ores | — | 1994-02-22 |