Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554425 | Ophthalmic lenses for high order aberration correction and processes for production of the lenses | Jeffrey H. Roffman, Richard J. Nason | 2003-04-29 |
| 6505934 | Progressive addition lenses with prism power added to improve wearer comfort | — | 2003-01-14 |