Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147666 | Removal of malic acid from coffee by fermentation | Geoffrey H. Bertkau, Dennis Frank Hayes, Frank Sabella, Ronald H. Skiff | 1992-09-15 |
| 4867992 | Natural coffee flavor by fermentation | Barbara Boniello, Ernest Gum Jr., Richard Scarpellino, John Patterson, Geoffrey H. Bertkau | 1989-09-19 |