Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863420 | Anti-dazzling transparent screen for illuminants | — | 2005-03-08 |
| 6837593 | Reflector for a reflector lamp, lamp and canopy for a lamp | Werner Maurer, Urs Schürmann, Ralph Wichmann | 2005-01-04 |