Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694326 | Fuel pump - card reader control center | Walter E. Warn | 1997-12-02 |
| 5663887 | Dispenser control console interfaced to a register | Walter E. Warn | 1997-09-02 |
| 5659482 | Liquid dispenser control system interfaced to a cash register | Walter E. Warn | 1997-08-19 |