Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636689 | Data disc modulation for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs | — | 2003-10-21 |
| 6564253 | Content authorization system over networks including searching and reporting for unauthorized content locations | — | 2003-05-13 |