Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420442 | Flame-proofed polystyrene foamed materials | Franz-Josef Dietzen, Guiscard Glück, Gerd Ehrmann, Gerhard Turznik, Gerhard Alicke +2 more | 2002-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420442 | Flame-proofed polystyrene foamed materials | Franz-Josef Dietzen, Guiscard Glück, Gerd Ehrmann, Gerhard Turznik, Gerhard Alicke +2 more | 2002-07-16 |