Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808806 | Methods for producing imaged coated articles by using magnetic pigments | Roger W. Phillips, Charles T. Markantes, Paul G. Coombs, Matthew R. Witzman | 2004-10-26 |
| 6759097 | Methods for producing imaged coated articles by using magnetic pigments | Roger W. Phillips, Charles T. Markantes, Paul G. Coombs, Matthew R. Witzman | 2004-07-06 |
| 6686042 | Optically variable pigments and foils with enhanced color shifting properties | — | 2004-02-03 |