Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8361431 | Process for the recovery of selenium from minerals and/or acidic solutions | Robert John Hisshion | 2013-01-29 |
| 8092776 | Process for the recovery of selenium from minerals and/or acidic solutions | Robert John Hisshion | 2012-01-10 |