Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5455641 | Soft contact lens having toric rear face and rotationally symmetrical front face | Christoph Hahne, Peter Hofer, Willi Horner | 1995-10-03 |
| 5166710 | Contact lens and process for the manufacture thereof | Peter Hofer, Peter Hagmann, Peter Herbrechtsmeier | 1992-11-24 |