Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648441 | Substrate and polymerizable mixture, method of manufacturing of said polymerizable mixture, and method of manufacturing of a non fogging or low fogging layer | Martin Keller | 1997-07-15 |
| 4680198 | Method of producing a scratch resistant coating on a sheet of thermoplastic material | Julius-Ludwig Herczeg, Ernst Fluckiger | 1987-07-14 |