Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8050446 | Method and system for digital watermarking of multimedia signals | Roumen Kountchev, Vladimir Todorov, Roumiana Atanassova Kountcheva, Mariofanna Geourgieva Milanova | 2011-11-01 |