Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811393 | Method and system for diversification of a basic key and for authentication of a thus-diversified key | — | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811393 | Method and system for diversification of a basic key and for authentication of a thus-diversified key | — | 1989-03-07 |