Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804826 | Device for preventing unauthorized use of credit cards and like data carriers | Hans Sjoblom | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804826 | Device for preventing unauthorized use of credit cards and like data carriers | Hans Sjoblom | 1989-02-14 |