Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688959 | Photographic color elements | Henri François Olbrechts, Raphael K. Van Poucke | 1997-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688959 | Photographic color elements | Henri François Olbrechts, Raphael K. Van Poucke | 1997-11-18 |