Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645771 | Gas injection apparatus and method having application to gold leaching | Rustam H. Sethna, Michael K. Sahm | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645771 | Gas injection apparatus and method having application to gold leaching | Rustam H. Sethna, Michael K. Sahm | 1997-07-08 |