Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700894 | Transparent plastic pane containing a copolymer of methylmethacrylate and polyfunctional acrylates | Manfred Krieg, Christa WEBER | 1997-12-23 |
| 5230955 | Plastic sheet or plate with flameproofing means | Otto Diroll, Klaus Hofmann, Uwe Jacobsen, Hans Lorenz, Gunther Schreyer +4 more | 1993-07-27 |
| 4490948 | Polishing plate and method for polishing surfaces | Friedrich Hanstein | 1985-01-01 |