Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5815091 | Position encoder | Andrew Dames, Andrew Howe | 1998-09-29 |
| 5614824 | Harmonic-based verifier device for a magnetic security thread having linear and non-linear ferromagnetic characteristics | Andrew Dames, Colin D. Ager | 1997-03-25 |