Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6996252 | Low visibility watermark using time decay fluorescence | Alastair M. Reed | 2006-02-07 |
| 6718046 | Low visibility watermark using time decay fluorescence | Alastair M. Reed | 2004-04-06 |