Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822392 | Incandescent lamp for motor vehicle headlights | Manfred Bühler, Christian Seichter, Klaus Wittmann | 2004-11-23 |
| 6709130 | Incandescent lamp for motor vehicle headlamps | Peter Helbig, Christian Seichter | 2004-03-23 |