Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697649 | Articles employing a magnetic security feature | Andrew Dames, Geraint Davies | 1997-12-16 |
| 5639126 | Machine readable and visually verifiable security threads and security papers employing same | Andrew Dames, Geraint Davies | 1997-06-17 |