Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650465 | Light-switching device | Mark Thomas Johnson, Anna-Maria Janner, Adrianus Sempel | 2003-11-18 |
| 6608713 | Optical switching device | Martin Ouwerkerk, Anna-Maria Janner, Virginie Mercier | 2003-08-19 |
| 6535323 | Light-switching device | Mark Thomas Johnson, Anna-Maria Janner, Hugo Johan Cornelissen | 2003-03-18 |