Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658568 | Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management | Karl Ginter, Francis J. Spahn, David M. Van Wie, Robert P. Weber | 2003-12-02 |
| 6640304 | Systems and methods for secure transaction management and electronic rights protection | Karl Ginter, Francis J. Spahn, David M. Van Wie | 2003-10-28 |