Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D797799 | Display screen with transitional icon | Richard Athol Barton | 2017-09-19 |
| D788165 | Display screen with transitional icon | Richard Athol Barton | 2017-05-30 |
| 7131631 | Actuator control device | — | 2006-11-07 |
| 6865982 | Valve actuator | Alan Bunyard | 2005-03-15 |