Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793340 | Progressive lens | Scott Warren Fisher, Saulius Raymond Varnas, David R. Pope | 2004-09-21 |
| 6789896 | Shaped ophthalmic lenses | Colin Maurice Perrott, Simon John Edwards, Ray Steven Spratt | 2004-09-14 |
| 6776480 | Spectacle frames for shaped lenses defined by monoformal carrier surfaces | Colin Maurice Perrott | 2004-08-17 |
| 6682193 | Wide field spherical lenses and protective eyewear | Colin Maurice Perrott, Simon John Edwards, Ray Steven Spratt, David Lawrence Carr, Brandon Yip +3 more | 2004-01-27 |