Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9953824 | Lamp comprising a conductor embedded in the quartz glass envelope of the lamp | Jozef Merx | 2018-04-24 |
| 7808180 | Thorium-free electrode with improved color stability | Michael Haacke | 2010-10-05 |
| 7489081 | Light burner and method for manufacturing a light burner | Georg Haselhorst, Michael Haacke, Jurgen Adriaensen | 2009-02-10 |