Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7876052 | Gas discharge lamp comprising a helicoid discharge tube and an inner tube piece | Thomas Noll | 2011-01-25 |
| 6359376 | Fluorescent lamp having asymmetric electrodes inside the discharge tube | Martin Beck | 2002-03-19 |
| 5811934 | Electric incandescent halogen lamp with barrel-shaped bulb | Axel Bunk, Ulrich Binder | 1998-09-22 |
| 5789849 | Low-pressure discharge lamp with base and mount | Horst Porembski | 1998-08-04 |