Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8664855 | High-pressure discharge lamp having a capacitive ignition aid | Johannes Buttstaedt, Stefan Dünkel, Leon Grabinski, Janbernd Hentschel, Bernd Koch +1 more | 2014-03-04 |
| 8227990 | High pressure discharge lamp with a capacitive starting aid | Johannes Buttstaedt, Stefan Dünkel, Leon Grabinski, Janbernd Hentschel | 2012-07-24 |