Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4222999 | Removal of selenium from sulphate solutions | Donald R. Weir, Roman M. Genik-Sas-Berezowsky | 1980-09-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4222999 | Removal of selenium from sulphate solutions | Donald R. Weir, Roman M. Genik-Sas-Berezowsky | 1980-09-16 |