Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5916673 | Recording sheets for ink jet printing | Mario Fryberg, Klaus H. Haarmann, Diane L. Blednick, Daniel R. Rogers | 1999-06-29 |
| 4357280 | Use of tertiary phosphines in photographic silver dye bleach materials | Christoph Chylewski, Gerald Jan, Max Meier, Matthias Schellenberg | 1982-11-02 |