Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645621 | Discontinous polyethylene terephthalate fibres and method for producing the same | Christian Guido KELLNER, Ulrich Mirwaldt, Dietmar Wandel | 2003-11-11 |
| 6576339 | Polyester-staple fibres and method for the production thereof | Dietmar Wandel, Helmut Schwind, Wolfgang Janas, Werner Ude | 2003-06-10 |