Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756115 | 3D structural siliceous color pigments | Diane Lewis | 2004-06-29 |
| 6706785 | Methods and compositions related to laser sensitive pigments for laser marking of plastics | — | 2004-03-16 |