Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6686703 | High frequency electronic ballast | Robert Erhardt, Oscar Deurloo, Jerzy Janczak, Hendrik Anton Van Esveld, Ronald Hans Van Der Voort | 2004-02-03 |
WC
Winston Donald Couwenberg
Overall (2004): #89,184 of 270,089Top 35%
1
Patents 2004