Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863801 | Surface treatment of pet film | — | 1989-09-05 |
| 4849326 | White light handeable direct-positive silver halide photographic elements | Mauro Besio, Alberto Vacca | 1989-07-18 |
| 4822728 | Silver halide color photographic elements | Marco Loiacono | 1989-04-18 |