Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4623515 | Process for producing fibrous and granular materials from waste | Josef Frei, Rudolf Schnorf | 1986-11-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4623515 | Process for producing fibrous and granular materials from waste | Josef Frei, Rudolf Schnorf | 1986-11-18 |