Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491851 | Method for obtaining an ophthalmic lens comprising a surface utility microstructure and resulting ophthalmic lenses | Gerhard Keller, Gilles Massey, Sidney White, Walter Charles BRALEY, Wilson Basilio Morales, Jr. +1 more | 2002-12-10 |
| 5770238 | Master disk for making dies for pressing in particular optical disks | Jean Ledieu | 1998-06-23 |
| 5763002 | Methods of manufacture of master disk for making a die for pressing optical disks | Jean Ledieu | 1998-06-09 |
| 5312718 | Method of manufacturing dies for pressing optical disks | Jean Ledieu | 1994-05-17 |