Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6856977 | Method and system for proving ownership of digital data | Birgit M. Pfitzmann, Ahmad-Reza Sadeghi | 2005-02-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6856977 | Method and system for proving ownership of digital data | Birgit M. Pfitzmann, Ahmad-Reza Sadeghi | 2005-02-15 |