Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9953824 | Lamp comprising a conductor embedded in the quartz glass envelope of the lamp | Francis Martin Jozef Deprez | 2018-04-24 |
| 8262428 | Method for manufacturing a double tube discharge lamp | Norbert Lesch, Gerald Scholak | 2012-09-11 |
| 8087966 | Method for the thermal treatment of tungsten electrodes free from thorium oxide for high-pressure discharge lamps | Gerhard Hebbinghaus | 2012-01-03 |
| 7733026 | Lamp with an improved lamp behaviour | Gerhard Hebbinghaus | 2010-06-08 |