Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7030568 | Circuit arrangement for operation of one or more lamps | Antoon Joseph Bock | 2006-04-18 |
| 6504314 | Discharge lamp DC ballast employing only passive components | Pawel M. Gradzki, Hubert Raets, Johannes A. A. Wijntjes | 2003-01-07 |
| 6147457 | Incandescent lamp with continuous high-frequency oscillations | Klaus Lohn, Bernd Hofmann | 2000-11-14 |