Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8919821 | Security substrate incorporating elongate security elements | Duncan Hamilton Reid, Paul Howland, Peter McLean Henderson | 2014-12-30 |
| 6444377 | Security features | Richard Bryan Jotcham | 2002-09-03 |
| 5465301 | Security threads | Richard Bryan Jotcham | 1995-11-07 |