Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6218025 | Sintering electrode | Dietrich Fromm, Wolfram Graser, Peter Schade | 2001-04-17 |
| 6211615 | Powder metal electrode component for discharge lamps | Alfred Gahn, Dietmar Illig, Peter Schade | 2001-04-03 |
| 6109995 | Electrode for a high-pressure discharge lamp, and methods of its manufacture | Rudolf Richter, Klaus Stedele | 2000-08-29 |
| 5795366 | Method of manufacturing a non-sag tungsten wire for electric lamps | Michael Salmen, Hans-Joachim Lunk, Alfred Gahn, Martin Fait | 1998-08-18 |
| 5629585 | High-pressure discharge lamp, particularly low-rated power discharge lamp, with enhanced quality of light output | Juergen Begemann, Juergen Maier, Andreas Ponnier, Ralf Seedorf | 1997-05-13 |