Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749777 | Diffractive pigment flakes and compositions | Alberto Argoitia | 2004-06-15 |
| 6749936 | Achromatic multilayer diffractive pigments and foils | Alberto Argoitia, Paul T. Kohlmann, Matthew R. Witzman, Paul G. Coombs, Charles T. Markantes | 2004-06-15 |
| 6692830 | Diffractive pigment flakes and compositions | Alberto Argoitia | 2004-02-17 |