Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296147 | Method for processing manure, fermented manure and ammonium nitrogen containing waste water | Abraham Klapwijk | 1994-03-22 |
| 5290451 | Method and apparatus for processing manure | Abraham Klapwijk | 1994-03-01 |
| 5232583 | Installation for processing manure, fermented manure and Kjeldahl-N containing waste water | Abraham Klapwijk | 1993-08-03 |