Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929368 | Method for determining the suitability of a transparent moulded polymer article for coloring without defects and resulting article | Gilles Massey | 2005-08-16 |
| 4222747 | Polishing material for ophthalmic lenses | Jean-Pierre Mazzone, Pierre Moreau | 1980-09-16 |