Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37173 | Coffee and tea brewing apparatus and system | Dale W. Ploeger | 2001-05-15 |
| 5980965 | Coffee brewing method | Dale W. Ploeger | 1999-11-09 |
| 5669287 | Coffee and tea brewing apparatus and system | Dale W. Ploeger | 1997-09-23 |