Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436623 | Color photographic silver halide material | Jorg Hagemann, Gunter Helling | 2002-08-20 |
| 6383728 | Color photographic silver halide material | Jorg Hagemann, Gunter Helling | 2002-05-07 |