Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670548 | Pigmentation with carotenoids | Kurt Bernhard, Urs Hengartner, Paul Kreienbuhl, Katharina Schiedt | 1997-09-23 |
| 5605699 | Pigmentation with carotenoids | Kurt Bernhard, Urs Hengartner, Paul Kreienbuhl, Katharina Schiedt | 1997-02-25 |