Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733123 | Hydrogel contact lenses of high biocompatibility | Kurt Polzhofer, Lothar Haase, K Herter, Birgit Kollosche | 2004-05-11 |
| 5292833 | Thermosetting reactive resin mixture, moulded article and coating made therefrom | Gerwald Grahe, Arthur Lachowicz | 1994-03-08 |