Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826914 | Transparent cover for transparent substrates | Helmer Raedisch, Gerhard Holzer, Udo Gelderie | 1989-05-02 |
| 4684694 | Transparent coating layer with self-repairng and fog-resistant properties which can be utilized on panes | Udo Gelderie, Gerhard Holzer, Helmer Raedisch | 1987-08-04 |