Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6760445 | Method for identifying betrayers of proprietary data | Joerg Schwenk | 2004-07-06 |
| 6636613 | Method for embedding manipulation-secure digital fingerprints into electronic documents | Joerg Schwenk | 2003-10-21 |
| 6590995 | Method of inserting manipulation-proof digital fingerprints into electronic documents | Joerg Schwenk | 2003-07-08 |