Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D668742 | Portable plumbing sprinkler head array | — | 2012-10-09 |
| 5440972 | Portable beverage brewing device | — | 1995-08-15 |
| 5249509 | Device to vary strength of a brewed beverage | — | 1993-10-05 |
| 5233914 | In-car coffee maker | — | 1993-08-10 |
| 5066155 | Toothbrush and paste dispenser | Anthony D. Szpak | 1991-11-19 |
| 4697502 | Apparatus for making varied strength beverages | Anthony D. Szpak | 1987-10-06 |
| 4446158 | Apparatus for making individual beverage quantities | Anthony D. Szpak | 1984-05-01 |