Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9266755 | Treatment stages for selenium removal | Mark A. Hughes, Charles J. Lord, III, Bruce B. Randolph, Joe B. Cross, Sumod Kalakkunnath +2 more | 2016-02-23 |
| 8974676 | Treatment stages for selenium removal | Mark A. Hughes, Charles J. Lord, III, Bruce B. Randolph, Joe B. Cross, Sumod Kalakkunnath +2 more | 2015-03-10 |