Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974214 | B-spline optimization of optical glasses especially spectacle glasses with planes of symmetry | Andrea Welk, Helmut Altheimer, Peter Baumbach, Gregor Esser, Walter Haimerl +1 more | 2005-12-13 |
| 6964478 | Progressive spectacle lens | Andrea Welk, Peter Baumbach, Walter Haimerl, Herbert Pfeiffer, Gregor Esser +8 more | 2005-11-15 |
| 6948814 | Optical lens or glass having a label and/or marking on the front surface and/or rear surface | — | 2005-09-27 |
| 6945649 | Method for the production of a spectacle glass taking into account the optimum individual length of progression | — | 2005-09-20 |
| 6848788 | Progressive spectacle lens with low magnifying differences | Andrea Welk, Peter Baumbach, Walter Haimerl, Herbert Pfeiffer, Gregor Esser +1 more | 2005-02-01 |