Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871579 | Process and device for spraying a reaction mixture capable of forming a transparent protective layer of high optical quality | Jean-Louis Bravet, Gerd Leyens, Siegfried Pikhardt, Herbert Bayer | 1989-10-03 |
| 4783344 | Process and device for spraying a reaction mixture capable of forming a transparent protective layer of high optical quality | Jean-Louis Bravet, Gerd Leyens, Siegfried Pikhardt, Herbert Bayer | 1988-11-08 |