Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254303 | Method and device for manufacturing molded bodies | Karl Ostertag, Alfons Leeb | 1993-10-19 |
| 4454198 | Porous, powdery polypropylene | Walter Fickel | 1984-06-12 |
| 4379860 | Porous, powdery polypropylene | Walter Fickel | 1983-04-12 |