Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759403 | Method for purifying waste water using activated slude to increase purification yields | Frederic Clauss, Norbert Wamser, Manfred Hangl, Bernard Capdeville | 1998-06-02 |