Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310617 | Process for the production of masked positive color images by the silver dye bleach process | Alfred Oetiker, Carlo Boragine | 1982-01-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310617 | Process for the production of masked positive color images by the silver dye bleach process | Alfred Oetiker, Carlo Boragine | 1982-01-12 |