Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061838 | Progressive lens for ophthalmic spectacles, having an additional zone for intermediate vision | Isabelle Poulain | 2011-11-22 |
| 7971996 | Multi-tint colored ophthalmic lenses for the short-sighted | Björn Drobe | 2011-07-05 |