Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645409 | Process for the production of cellulosic fibres | Heinrich Firgo, Johann Manner | 2003-11-11 |
| 6241927 | Method of producing cellulose fibers | Eduard Mulleder, Christoph Schrempf, Hartmut Ruf | 2001-06-05 |
| 5988437 | Device for draining or storing viscous materials | Wolfram Kalt, Friedrich Ecker, Franz Schwenninger, Michael Longin | 1999-11-23 |
| 5984655 | Spinning process and apparatus | Franz Schwenninger, Friedrich Ecker, Christoph Schrempf, Heinrich Firgo, Stefan Zikeli +1 more | 1999-11-16 |