| 6399682 |
Temperature stable and sunlight protected photochromic articles |
Frederic Henri Florent, David Henry, Jacques Jean Vial |
2002-06-04 |
| 6262155 |
Temperature stable and sunlight protected photochromic articles |
Frederic Henri Florent, David Henry, Jacques Jean Vial |
2001-07-17 |
| 6248285 |
Preparation of organic pieces of optical quality and especially organic lenses |
David Henry |
2001-06-19 |
| 5973039 |
Temperature stable and sunlight protected photochromic articles |
Frederic Henri Florent, David Henry, Jacques Jean Vial |
1999-10-26 |
| 5343260 |
Composite ophthalmic lenses and their manufacture |
David Henry, Jacques Jean Vial |
1994-08-30 |
| 5323191 |
Composite ophthalmic lenses |
Eric Firtion, David Henry, Jean-Jacques Bernard Theron, Jacques Jean Vial |
1994-06-21 |
| 5111661 |
Dual master cylinder |
Henri Savidan |
1992-05-12 |
| 4683153 |
Transparent laminated polarizing glasses |
Serge P. P. Goepfert, Serge A. M. Renault, Francoise M. M. Roger, Jean-Pierre Themont |
1987-07-28 |