Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691063 | Laser imageable tuned optical cavity thin film and printing plate incorporating the same | Gregory F. Davis, Richard A. Bradley, Jr., Shari Powell Fisher | 1997-11-25 |
| 5653792 | Optically variable flakes paint and article | Thomas Mayer, Gary S. Ash | 1997-08-05 |
| 5648165 | Hot stamp article for applying optically variable coating to substrates | Thomas Mayer, Gary S. Ash | 1997-07-15 |
| 5596402 | Viewing device and method for ascertaining simultaneously optical color shift characteristics of an optically variable device | Charles T. Markantes | 1997-01-21 |