Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790664 | Fluorometric monitoring and control of soluble hardness of water used in industrial water systems | Bruce R. Bailey, Xiaojun Dang, David A. Grattan | 2004-09-14 |
| 6790666 | Method to ascertain whether soluble hardness is calcium or magnesium based | Xiaojun Dang, David A. Grattan | 2004-09-14 |