Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691192 | Biological filter for removing volatile hydrophobic compounds from gas emissions | Hubertus Henricus Jacobus Cox | 1997-11-25 |
| 5667690 | Process for removing noxious compounds | Arie Cornelis Besemer, Marinus Pieter Harkes | 1997-09-16 |