Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7683549 | Metal halide lamp with fill comprising lead halide | — | 2010-03-23 |
| 5481162 | Method of supplying current to a sodium high-pressure discharge lamp, and current supply system | Michael Boenigk, Klaus Guenther, Hans-Georg Kloss | 1996-01-02 |