Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322768 | Silver halide photographic elements with infrared absorbing dyes | Ivano Delprato, Stefano Mana | 1994-06-21 |
| 5290670 | Silver halide photographic elements | Ivano Delprato, Stefano Mana | 1994-03-01 |
| 4737441 | Photographic material for tanning development and method for obtaining a relief image | Marco Beruto, Piero Ramello | 1988-04-12 |
| 4504572 | Gelatin silver halide photographic elements for tanning development | Marco Beruto, Piero Ramello | 1985-03-12 |