Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6310309 | Methods of analysis/separation | Andrew Dames, Duncan Ross Purvis, Nicholas A. Safford | 2001-10-30 |
| 5614824 | Harmonic-based verifier device for a magnetic security thread having linear and non-linear ferromagnetic characteristics | Andrew Dames, David Ely | 1997-03-25 |