Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296303 | Process and device for producing a plastic layer of high optical quality | Jean-Louis Bravet, Francois de Toytot, Gerd Leyens, Herbert Bayer | 1994-03-22 |
| 4871579 | Process and device for spraying a reaction mixture capable of forming a transparent protective layer of high optical quality | Jean-Louis Bravet, Francois Toytot, Gerd Leyens, 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, Francois Toytot, Gerd Leyens, Herbert Bayer | 1988-11-08 |
| 4749586 | Process and device for producing a plastic layer of high optical quality | Jean-Louis Bravet, Francois de Toytot, Gerd Leyens, Herbert Bayer | 1988-06-07 |