Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5507395 | Method of depressing non-sulfide silicate gangue minerals | Samuel S. Wang | 1996-04-16 |
| 4929343 | Novel collectors and processes for making and using same | Samuel S. Wang | 1990-05-29 |