Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8919821 | Security substrate incorporating elongate security elements | Gerald Sidney Payne, Paul Howland, Peter McLean Henderson | 2014-12-30 |
| 7347917 | Paper incorporating a wide elongate impermeable element, and a method of making of the same | Adrian Donald Ash, Malcolm Paul Baker | 2008-03-25 |
| 6155605 | Document of value | Robin Bratchley, Andrew Nutton, Malcolm Robert Murray Knight | 2000-12-05 |
| 5631039 | Security thread, a film and a method of manufacture of a security thread | Malcolm Robert Murray Knight, Jeffrey A. Harrison | 1997-05-20 |