Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340717 | Method for producing foamed plastic blocks based on polyolefin | Hans Hartmann, Burkhard Voss | 2002-01-22 |
| 4696709 | Process for production of an expanded polyolefin panel | Rudolf Kautz | 1987-09-29 |