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, Jean-Francois Diaz | 1997-10-21 |
CG
Christian Guizard
Overall (1997): #168,466 of 185,788Top 95%
1
Patents 1997