Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635695 | Chip card based payment system having an on-card flag for specifying proper completion of a prior card balance replenishment session | — | 1997-06-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635695 | Chip card based payment system having an on-card flag for specifying proper completion of a prior card balance replenishment session | — | 1997-06-03 |