Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421979 | Composite constructional element | Willi Bartholomeyzik | 2002-07-23 |
| 6340523 | Process for producing high strength, high shrinkage nylon 66 filament yarn | Hans Linz, Luzius Berger | 2002-01-22 |