Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691601 | Metal-halide discharge lamp for photooptical purposes | Anna-Maria Frey, Jürgen Maier, Ralf Seedorf, Clemens Barthelmes, Thomas Dittrich | 1997-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691601 | Metal-halide discharge lamp for photooptical purposes | Anna-Maria Frey, Jürgen Maier, Ralf Seedorf, Clemens Barthelmes, Thomas Dittrich | 1997-11-25 |