Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296147 | Method for processing manure, fermented manure and ammonium nitrogen containing waste water | Iman W. Koster | 1994-03-22 |
| 5290451 | Method and apparatus for processing manure | Iman W. Koster | 1994-03-01 |