Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394363 | Process for the granulation of precipitation products formed from ammonium compounds | Egon Haese, Rolf Willms | 1983-07-19 |
| 4328189 | Apparatus for the granulation of precipitation products formed from ammonium compounds | Egon Haese, Rolf Willms | 1982-05-04 |