Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040065 | Electric lamp with light-absorbing coating, precursor suspension for such a coating and method of making such a lamp | — | 2011-10-18 |
| 6798138 | Halogen incandescent lamp for motor vehicles | Rolf Gervelmeyer, Ralf Schaefer, Leo Wings, Franz-Josef Brueckmann | 2004-09-28 |
| 6621214 | Lamp, and luminaire with a reflector and such a lamp | Hans-Ulrich Rienäcker | 2003-09-16 |