Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6779896 | Electronic circuit for operating a HID lamp, and image projector | Peter Luerkens, Carsten Deppe | 2004-08-24 |
| 6773116 | Projection display device | Adrianus Johannes Stephanus Maria De Vaan, Stephen McClain | 2004-08-10 |
| 6727650 | High pressure discharge lamp with reflection layer on the neck portion | Klaus Klinkenberg, Arnd Ritz | 2004-04-27 |
| 6724147 | High-pressure gas discharge lamp with cooling arrangement | Hanns E. Fischer | 2004-04-20 |