Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654581 | Security document with ultraviolet authentication security feature | David Cruikshank, Laurence Suzzarini | 2010-02-02 |
| 7046804 | System for producing a printable security device image and detecting latent source image(s) therefrom | Ileana Buzuloiu | 2006-05-16 |
| 5271644 | Security device comprising optically variable data and method for making the same | Alan Boate | 1993-12-21 |
| 5178418 | Latent images comprising phase shifted micro printing | Alan Boate | 1993-01-12 |
| 5127677 | Means for securing sequential pages of a book | — | 1992-07-07 |