Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7952286 | Mercury source | Kirsten Fuchs, Gerald Hämmer, Klaus Pankratz | 2011-05-31 |
| D634455 | Compact fluorescent lamp | Jurgen Graf | 2011-03-15 |
| 7876052 | Gas discharge lamp comprising a helicoid discharge tube and an inner tube piece | Andreas Hollstein | 2011-01-25 |