Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027093 | Optically variable devices | Lawrence George Commander, Christopher John Eastell, Roland Isherwood | 2011-09-27 |
| 7931207 | Optically variable magnetic stripe assembly | Malcolm Robert Murray Knight, David Stone | 2011-04-26 |