Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069918 | Method of coloring foods | Ernst Graf, Marcus Karel | 1991-12-03 |
| 5035904 | Starch-based products for microwave cooking or heating | Victor T. Huang, R. Carl Hoseney, Ernst Graf, Katy Ghiasi, Linda Miller +5 more | 1991-07-30 |
| 5002789 | Food colorant system | Ernst Graf, Marcus Karel | 1991-03-26 |
| 4990347 | Heat processing of viscous food materials in rotating cans | Glenn Rasmussen, Enrique Rotstein, Kenneth J. Valentas, Shahed Zaman | 1991-02-05 |