Issued Patents All Time
| 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, Shari Powell Fisher, Patrick K. Higgins, Anton Bleikolm | 2000-09-05 |
| 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, Shari Powell Fisher, Patrick K. Higgins, Anton Bleikolm | 1998-06-16 |