Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816234 | Utilization of oxygen in leaching and/or recovery procedures employing carbon | Carl L. Elmore, Phillip Mitchell | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816234 | Utilization of oxygen in leaching and/or recovery procedures employing carbon | Carl L. Elmore, Phillip Mitchell | 1989-03-28 |