Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6709592 | Removal of sulfur compounds from wastewater | Johannes Wouterus Van Groenestijn | 2004-03-23 |
| 5958238 | Anaerobic removal of sulphur compounds from waste water | — | 1999-09-28 |