Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391270 | Method for removing manganese from acidic sulfate solutions | George P. Demopoulos, Qiankun Wang | 2002-05-21 |
| 6228270 | Process for reducing selenium and mercury from aqueous solutions | George Houlachi, Gary Monteith | 2001-05-08 |