Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815889 | High-pressure gas discharge lamp | Michael Haacke, Pieter Postma, Juergen Schoeneich, Ralf Muckel | 2004-11-09 |
| 6812625 | Discharge lamp and outer bulb therefor | Marcus Kubon, Juergen Schoeneich | 2004-11-02 |
| 5053935 | Lamp/reflector unit | Bernd Mackovika, Wolfgang Hahn | 1991-10-01 |
| 4849670 | Electric lamp having a pinch supported in a sleeve-shared cap | Dieter Wilhelm | 1989-07-18 |
| 4485326 | Electric lamp with a sleeve-shaped cap | Werner Schlagheck | 1984-11-27 |
| 4396860 | Electric lamp with a sleeve-shaped cap | Werner Schlagheck | 1983-08-02 |
| 4384236 | Electric lamp with a sleeve-shaped cap | Werner Schlagheck | 1983-05-17 |