Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827769 | Photosensitive optically variable ink heterogeneous compositions for ink jet printing | Richard A. Bernard | 2004-12-07 |
| 6793723 | Homogeneous photosensitive optically variable ink compositions for ink jet printing | John Griffiths, John Mama | 2004-09-21 |