Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733127 | Colored contact lens for use as a trial lens | — | 2004-05-11 |
| 6731408 | Method for producing a raster surface for use in the coloring of contact lens | Ari Tenhunen | 2004-05-04 |