Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669337 | Progressive spectacle lens with low swaying effects | Andrea Welk, Peter Baumbach, Walter Haimerl, Norbert Awrath, Gregor Esser +8 more | 2003-12-30 |
| 6655802 | Method for producing eyeglasses | Martin Zimmermann, Peter Baumbach, Walter Haimerl, Gregor Esser, Jochen Brosig +5 more | 2003-12-02 |
| 6534169 | Polyester film with a high oxygen barrier, the use of the film and process for its production | Cynthia Bennett, Gottfried Hilkert | 2003-03-18 |