Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8892556 | Optimisation | Russell Paul Cowburn | 2014-11-18 |
| 8497983 | Optical authentication | Russell Paul Cowburn, Peter Seem | 2013-07-30 |
| 8078875 | Verification of authenticity | Russell Paul Cowburn | 2011-12-13 |
| 7812935 | Optical authentication | Russell Paul Cowburn, Peter Seem | 2010-10-12 |
| 4514601 | Multispeed interlocked push button switch mechanism | — | 1985-04-30 |