Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815065 | All-dielectric optical diffractive pigments | Alberto Argoitia, Vladimir P. Raksha | 2004-11-09 |
| 6749936 | Achromatic multilayer diffractive pigments and foils | Alberto Argoitia, Matthew R. Witzman, Paul G. Coombs, Charles T. Markantes, Richard A. Bradley, Jr. | 2004-06-15 |