Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7930151 | Method for calculating an individual progressive lens | Stephan Haser, Andrea Welk, Gregor Esser, Helmut Altheimer | 2011-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7930151 | Method for calculating an individual progressive lens | Stephan Haser, Andrea Welk, Gregor Esser, Helmut Altheimer | 2011-04-19 |