Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7930151 | Method for calculating an individual progressive lens | Stephan Haser, Gregor Esser, Helmut Altheimer, Walter Haimerl | 2011-04-19 |
| 7896493 | Method and device for manufacturing a spectacle lens and computer program product for manufacturing a spectacle lens | Helmut Altheimer | 2011-03-01 |