Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798153 | Method of regulating power in a high-intensity-discharge lamp | Oscar Deurloo, Vincent J. Delia | 2004-09-28 |
| 6215663 | Printed circuit board assembly with improved thermal performance | — | 2001-04-10 |
| 5945784 | High intensity discharge ballast | — | 1999-08-31 |
| 5686798 | Lamp ballast circuit characterized by a single resonant frequency substantially greater than the fundamental frequency of the inverter output signal | — | 1997-11-11 |
| 5563473 | Electronic ballast for operating lamps in parallel | Robert Erhardt | 1996-10-08 |
| 5463284 | Lamp ballast circuit characterized by a single resonant frequency substantially greater than the fundamental frequency of the inverter output signal | — | 1995-10-31 |
| 5410221 | Lamp ballast with frequency modulated lamp frequency | Jos R. Bergervoet | 1995-04-25 |
| 5089753 | Arrangement for predicting failure in fluorescent lamp systems | — | 1992-02-18 |
| 4958107 | Switching arrangement for HID lamps | Egbert Van Zanten, Stefan P. Szuba | 1990-09-18 |