Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818299 | Multi-layered magnetic pigments and foils | Roger W. Phillips, Charlotte R. LaGallee, Paul G. Coombs | 2004-11-16 |
| 6808806 | Methods for producing imaged coated articles by using magnetic pigments | Roger W. Phillips, Charlotte R. LeGallee, Paul G. Coombs, Matthew R. Witzman | 2004-10-26 |
| 6761959 | Diffractive surfaces with color shifting backgrounds | Richard L. Bonkowski, Patrick K. Higgins, Roger W. Phillips | 2004-07-13 |
| 6759097 | Methods for producing imaged coated articles by using magnetic pigments | Roger W. Phillips, Charlotte R. LeGallee, Paul G. Coombs, Matthew R. Witzman | 2004-07-06 |
| 6749936 | Achromatic multilayer diffractive pigments and foils | Alberto Argoitia, Paul T. Kohlmann, Matthew R. Witzman, Paul G. Coombs, Richard A. Bradley, Jr. | 2004-06-15 |