Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997549 | Air-sparged hydrocyclone separator | — | 1991-03-05 |
| 4923510 | Treatment of refractory carbonaceous sulfide ores for gold recovery | Gopalan Ramadorai, Brian Ball, Rong Wan, Sevket Acar | 1990-05-08 |