Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7491424 | Reproduction of security documents and color images with metallic inks | Roger D. Hersch, Patrick Emmel | 2009-02-17 |
| 7423778 | Prediction model for color separation, calibration and control of printers | Roger D. Hersch, Patrick Emmel | 2008-09-09 |