Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5128156 | Process for preparing an alternate protein source for coffee whiteners and other products | Ronald J. McKenna, David J. Keller | 1992-07-07 |
| 4888194 | Shelf-stable aseptic dairy product | David J. Keller, Paul J. Streiff | 1989-12-19 |
| 4851243 | Calcium fortified aseptically packaged milk | David J. Keller, Paul J. Streiff | 1989-07-25 |