Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657798 | Intermingled synthetic filament yarn for manufacturing industrial woven fabrics | Volker Siejak, Hans A. Graefe, Marcus Weber | 1997-08-19 |
| 5612124 | Fabrics of high thermal stability | Volker Siejak | 1997-03-18 |