Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661347 | Circuitry arrangement for controlling a plurality of consumers, in particular lamp ballasts | Walter V. Werner | 1997-08-26 |
| 5656891 | Gas discharge lamp ballast with heating control circuit and method of operating same | Thomas Marinelli | 1997-08-12 |
| 5600211 | Electronic ballast for gas discharge lamps | — | 1997-02-04 |