Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9483719 | Security substrate comprising a magnetic layer and opaque and non-opaque regions | James Peter Snelling, Alan Brown | 2016-11-01 |
| 8027093 | Optically variable devices | Lawrence George Commander, Christopher John Eastell, Brian William Holmes | 2011-09-27 |
| 7903308 | Security device based on customized microprism film | Lawrence George Commander, Christopher John Eastell | 2011-03-08 |
| 7830627 | Optically variable devices | Lawrence George Commander, Christopher John Eastell, Brian William Holmes | 2010-11-09 |
| 7703811 | Security thread | — | 2010-04-27 |
| 7179393 | Methods of manufacturing substrates | Lawrence George Commander | 2007-02-20 |
| 6616803 | Making paper | Stephen David Ridyard | 2003-09-09 |
| 6199911 | Security element for security paper | John Martin Haslop | 2001-03-13 |
| 5678863 | High value documents | Malcolm Robert Murray Knight, Sarah Anne Rocca, Robin E. Godfrey, Craig Harvey Nelson | 1997-10-21 |