Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6114018 | Paired optically variable article with paired optical structures and ink, paint and foil incorporating the same and method | Roger W. Phillips, Charles T. Markantes, Robert G. Slusser, Patrick K. Higgins, Anton Bleikolm | 2000-09-05 |
| 5786090 | Laser imageable thin film structure and printing plate incorporating the same | Roger W. Phillips, Gregory F. Davis, Charlotte R. LeGallee | 1998-07-28 |
| 5766738 | Paired optically variable article with paired optically variable structures and ink, paint and foil incorporating the same and method | Roger W. Phillips, Charles T. Markantes, Robert G. Slusser, Patrick K. Higgins, Anton Bleikolm | 1998-06-16 |
| 5691063 | Laser imageable tuned optical cavity thin film and printing plate incorporating the same | Gregory F. Davis, Richard A. Bradley, Jr., Roger W. Phillips | 1997-11-25 |
| 5570847 | Methods of heat-treating miltilayer inteference platelets | Roger W. Phillips, Paul G. Coombs | 1996-11-05 |
| 5571624 | High chroma multilayer interference platelets | Roger W. Phillips, Paul G. Coombs | 1996-11-05 |
| 5569535 | High chroma multilayer interference platelets | Roger W. Phillips, Paul G. Coombs | 1996-10-29 |