Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230955 | Plastic sheet or plate with flameproofing means | Otto Diroll, Klaus Hofmann, Hans Lorenz, Gunther Schreyer, Peter R. Szigeti +4 more | 1993-07-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230955 | Plastic sheet or plate with flameproofing means | Otto Diroll, Klaus Hofmann, Hans Lorenz, Gunther Schreyer, Peter R. Szigeti +4 more | 1993-07-27 |