Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5096813 | Visual indicator system | Kim Krumhar | 1992-03-17 |
| 5069918 | Method of coloring foods | Ernst Graf, Israel A. Saguy | 1991-12-03 |
| 5002789 | Food colorant system | Ernst Graf, Israel A. Saguy | 1991-03-26 |