Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713973 | System and method of automatic cycling control for HID lamps | — | 2004-03-30 |
| 6686703 | High frequency electronic ballast | Oscar Deurloo, Jerzy Janczak, Hendrik Anton Van Esveld, Winston Donald Couwenberg, Ronald Hans Van Der Voort | 2004-02-03 |