Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6202540 | Beverage quality control apparatus and method | Michael W. Johnson | 2001-03-20 |
| D426691 | Service cart | Michael W. Johnson | 2000-06-13 |
| 6062126 | Beverage quality control apparatus and method | Michael W. Johnson | 2000-05-16 |
| 5498757 | Milk frothing and heating system | Michael W. Johnson | 1996-03-12 |
| 5156297 | Beverage stand with quantity indicator | — | 1992-10-20 |
| 5086806 | Automatic flow control system and flood protector | Michael W. Johnson | 1992-02-11 |