Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880601 | Hydrogen peroxide disinfecting system for contact lenses | Joseph Spittler, Patricia Zilliox, Dominique Mergel | 1989-11-14 |
| 4837021 | Two part tissue irrigating solution | Georges de Burlet, Michel Dietz, Joseph Spittler | 1989-06-06 |
| 4801617 | Iminoimidazolidines useful in lowering intraocular pressure | Gerard LeClerc, Didier Huber, Jacques Himber | 1989-01-31 |