Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4418080 | Natural red coloring prepared from wheat and barley substrates | Mao H. Yueh | 1983-11-29 |
| 4418081 | Natural red coloring prepared from an oat substrate | Mao H. Yueh | 1983-11-29 |