Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8697204 | Recording sheet for ink jet printing | Vincent Ruffieux, Meinrad Schar | 2014-04-15 |
| 8071185 | Recording sheet for ink jet printing | Vincent Ruffieux, Meinrad Schar | 2011-12-06 |
| 4879203 | Process for producing masked positive color images by the silver dye bleach process | — | 1989-11-07 |
| 4868098 | Method of processing exposed photographic silver dye bleach materials comprising heating after processing liquid application | Rolf Steiger | 1989-09-19 |