Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879245 | Process for treating industrial effluent water with activtated media | Gary W. Markham, Harmon L. Kirkpatrick, Douglas E. Mast, Stanley C. Gustas, Jr. | 2011-02-01 |
| 7491336 | Process for treating industrial effluent water with activated media | Gary W. Markham, Harmon L. Kirkpatrick, Douglas E. Mast, Stanley C. Gustas, Jr. | 2009-02-17 |