Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631039 | Security thread, a film and a method of manufacture of a security thread | Malcolm Robert Murray Knight, Jeffrey A. Harrison | 1997-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631039 | Security thread, a film and a method of manufacture of a security thread | Malcolm Robert Murray Knight, Jeffrey A. Harrison | 1997-05-20 |