Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011798 | Halogen incandescent lamp | Hans Guenther Mayer, Klaus Wittmann, Sascha Zelt | 2011-09-06 |
| 7456558 | Electric incandescent lamp provided with different pitch factors for each end of a filament component | Klaus Wittmann | 2008-11-25 |
| 6879102 | Incandescent lamp for motor vehicle headlights | Gerhard Behr, Christian Seichter, Klaus Wittmann | 2005-04-12 |
| 6822392 | Incandescent lamp for motor vehicle headlights | Gerhard Behr, Christian Seichter, Klaus Wittmann | 2004-11-23 |