Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7673990 | Individual eyeglass lens | Gregor Esser, Helmut Altheimer, Jochen Brosig, Walter Haimerl, Winfried Nikolaus +4 more | 2010-03-09 |
| 6964478 | Progressive spectacle lens | Andrea Welk, Peter Baumbach, Walter Haimerl, Herbert Pfeiffer, Gregor Esser +8 more | 2005-11-15 |
| 6834957 | Progressive spectacle lens having a genuine short progression area | Andrea Welk, Peter Baumbach, Walter Haimeri, Gregor Esser, Helmut Altheimer +3 more | 2004-12-28 |
| 6669337 | Progressive spectacle lens with low swaying effects | Andrea Welk, Peter Baumbach, Walter Haimerl, Herbert Pfeiffer, Gregor Esser +8 more | 2003-12-30 |
| 5854669 | Series of lenses | Helmut Altheimer, Rudolf Barth, Peter Baumbach, Jochen Brosig, Gregor Esser +6 more | 1998-12-29 |