Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6916426 | Method of waste treatment | Victor Van Slyke, Steve Helle, Paul William Watkinson, Xiaotao Bi | 2005-07-12 |
| 5702499 | Waste conversion by liquid thermophilic aerobic digestion | — | 1997-12-30 |