Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832834 | Method for computing a progressive spectacle lens and methods for manufacturing a spectacle lens of this kind | Herbert Pfeiffer, Gregor Esser, Helmut Altheimer | 2004-12-21 |
| 6808263 | Progressive spectacle lens producing only slight dynamic distortion | Andrea Welk, Peter Baumbach, Herbert Pfeiffer, Gregor Esser, Helmut Altheimer +1 more | 2004-10-26 |
| 6779889 | Progressive spectacle lens exhibiting only slight dynamic change of the properties of use during a horizontal viewing movements | Andrea Welk, Peter Baumbach, Herbert Pfeiffer, Gregor Esser, Helmut Altheimer +2 more | 2004-08-24 |
| 6776487 | Progressive spectacle lens having only a small change of binocular properties during a movement of glance | Herbert Pfeiffer, Gregor Esser, Helmut Altheimer, Andrea Welk, Peter Baumbach +1 more | 2004-08-17 |
| 6752497 | Single vision spectacle lens | Gregor Esser, Helmut Altheimer, Herbert Pfeiffer | 2004-06-22 |
| 6685316 | Method of manufacturing progressive ophthalmic lenses | Peter Baumbach, Gregor Esser, Werner Mueller, Jochen Brosig, Helmut Altheimer +1 more | 2004-02-03 |