Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872402 | Carafe-operated coffee brewing system | Paul D. Johnson, Robert Kubicko, Louis C. Martone | 1989-10-10 |
| 4838152 | Auto-off coffee brewing system | Robert Kubicko, William H. Younger | 1989-06-13 |
| 4827837 | Calcification indicator | Paul D. Johnson, Robert Kubicko, Louis C. Martone | 1989-05-09 |