Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8792090 | Document of value, method of manufacture and method of detecting soil or wear | — | 2014-07-29 |
| 8651481 | Apparatus and method for detecting the thickness of a sheet document | — | 2014-02-18 |
| 7716962 | Method of calibrating a gas sensor | John Darby | 2010-05-18 |