Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798153 | Method of regulating power in a high-intensity-discharge lamp | Charles B. Mattas, Vincent J. Delia | 2004-09-28 |
| 6686703 | High frequency electronic ballast | Robert Erhardt, Jerzy Janczak, Hendrik Anton Van Esveld, Winston Donald Couwenberg, Ronald Hans Van Der Voort | 2004-02-03 |