Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824690 | Zirconium-modified materials for selective adsorption and removal of aqueous arsenic | Hongting Zhao | 2004-11-30 |
| 6821434 | System for removal of arsenic from water | D. Richard Anderson | 2004-11-23 |