Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8506858 | Process and apparatus for the automatic manufacturing of different toric optical lenses | Norbert Doerr, Alfred Fischer, Peter Brotzmann | 2013-08-13 |
| 7726237 | Printing apparatus for making colored contact lenses | Alfred Fischer, Norbert Dörr, Stefan Wolz, Peter Brotzmann | 2010-06-01 |