Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559296 | Photographic recording material containing new azo dyes | Peter Bergthaller, Lothar Rosenhahn, Karl J. Herd, Rudolf Stolzenburg | 1985-12-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559296 | Photographic recording material containing new azo dyes | Peter Bergthaller, Lothar Rosenhahn, Karl J. Herd, Rudolf Stolzenburg | 1985-12-17 |