Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5928801 | Electroluminescent illumination system | Dirk Jan Broer, David B. Braun, Antonius H. J. Venhuizen | 1999-07-27 |
| 5856855 | Edge-lit illumination system containing cholesteric polarizer and diffuser behind waveguide | Grietje N. Mol, Dirk Jan Broer | 1999-01-05 |