Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6061985 | Plate-shaped fire-resistant element in a sandwich construction | Gerhard Kraus, Bernd Fiedler | 2000-05-16 |
| 6057254 | Process for manufacture of an acoustic panel and acoustic panel with sandwich construction | Klaus Bender, Bernd Fiedler | 2000-05-02 |
| 5910082 | Sound-absorbing building panel | Klaus Bender, Bernd Fiedler | 1999-06-08 |