Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679503 | Method and device for the selective extraction of halide ions from photographic baths | Didier J. Martin, Christian Guizard | 1997-10-21 |
JD
Jean-Francois Diaz
Overall (1997): #133,115 of 185,788Top 75%
1
Patents 1997