Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4204867 | Process for the production of color photographic images using new white coupler substances | Karl Kuffner, Wolfgang Lassig, Ernst Meier, Immo Boie, Helmut Haseler +1 more | 1980-05-27 |