Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658568 | Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management | Karl Ginter, Victor H. Shear, Francis J. Spahn, Robert P. Weber | 2003-12-02 |
| 6640304 | Systems and methods for secure transaction management and electronic rights protection | Karl Ginter, Victor H. Shear, Francis J. Spahn | 2003-10-28 |
| 6618484 | Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels | Robert P. Weber | 2003-09-09 |