Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7261842 | Photochromic compositions, preparation thereof and articles made therefrom or coated therewith | David Henry | 2007-08-28 |
| 6770707 | Radicaly polymerisable compositions containing monofunctional monomers, resins and ophthalmic articles obtained from them, new monofunctional monomers | David Henry | 2004-08-03 |