Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815065 | All-dielectric optical diffractive pigments | Vladimir P. Raksha, Paul T. Kohlmann | 2004-11-09 |
| 6777085 | Article and method of preparing pigments using multiple deposition sources | Roger W. Phillips, Ludvik Martinu, Jolanta Klemberg-Sapieha | 2004-08-17 |
| 6749777 | Diffractive pigment flakes and compositions | Richard A. Bradley, Jr. | 2004-06-15 |
| 6749936 | Achromatic multilayer diffractive pigments and foils | Paul T. Kohlmann, Matthew R. Witzman, Paul G. Coombs, Charles T. Markantes, Richard A. Bradley, Jr. | 2004-06-15 |
| 6692830 | Diffractive pigment flakes and compositions | Richard A. Bradley, Jr. | 2004-02-17 |