Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985277 | Process for extracting gold from gold-bearing ore | Wan-Tai Yen | 2011-07-26 |
| 7972413 | Precious metal recovery from solution | — | 2011-07-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985277 | Process for extracting gold from gold-bearing ore | Wan-Tai Yen | 2011-07-26 |
| 7972413 | Precious metal recovery from solution | — | 2011-07-05 |