Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880601 | Hydrogen peroxide disinfecting system for contact lenses | Guy Andermann, Patricia Zilliox, Dominique Mergel | 1989-11-14 |
| 4837021 | Two part tissue irrigating solution | Guy Andermann, Georges de Burlet, Michel Dietz | 1989-06-06 |