Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678863 | High value documents | Roland Isherwood, Sarah Anne Rocca, Robin E. Godfrey, Craig Harvey Nelson | 1997-10-21 |
| 5631039 | Security thread, a film and a method of manufacture of a security thread | Duncan Hamilton Reid, Jeffrey A. Harrison | 1997-05-20 |