Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650465 | Light-switching device | Paul Van Der Sluis, Mark Thomas Johnson, Anna-Maria Janner | 2003-11-18 |
| 6509690 | Display device | Iain Hunter, Mark Thomas Johnson, Edward Willem Albert Young | 2003-01-21 |