Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114628 | Method for the manufacture of contact lenses | Peter Hofer, Peter Hagmann, Gunther Krieg | 1992-05-19 |
| 4902137 | Method and apparatus for the determination of foreign bodies in fluids | Gunther Krieg, Gerhard Barth, Manfred Reiser | 1990-02-20 |