Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6045050 | Prepaid or stored-value card with means for preventing useful fraudulent alteration | Gianluca Colombo | 2000-04-04 |
| 5878137 | Method for obtaining authenticity identification devices for using services in general, and device obtained thereby | Marco Giovanni Emilio Fortina, Gianluca Colombo | 1999-03-02 |