Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8598789 | Discharge lamp with improved discharge vessel | Michael Haacke, Wilfried Emunds, Manfred Westemeyer | 2013-12-03 |
| 8415868 | High-pressure discharge lamp and a method of manufacturing a high-pressure discharge lamp | Markus Gerhard, Herbert Schartmann, Manfred Westemeyer, Wilfried Emunds | 2013-04-09 |
| 7750571 | Increasing the discharge arc diffuseness in mercury-free discharge lamps | Jürgen Schoeneich, Georg Haselhorst, Michael Haacke | 2010-07-06 |
| 6815889 | High-pressure gas discharge lamp | Michael Haacke, Pieter Postma, Paul Hellwig, Juergen Schoeneich | 2004-11-09 |