Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436623 | Color photographic silver halide material | Jan Haller, Gunter Helling | 2002-08-20 |
| 6403296 | Color photographic silver halide material | Markus Geiger, Heinrich Odenwalder | 2002-06-11 |
| 6383728 | Color photographic silver halide material | Jan Haller, Gunter Helling | 2002-05-07 |
| 6379879 | Color photographic silver halide material | Gunter Helling, Heinz Wiesen, Ralf Wirowski, Ralf Buscher | 2002-04-30 |