Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427140 | Systems and methods for secure transaction management and electronic rights protection | Victor H. Shear, Francis J. Spahn, David M. Van Wie | 2002-07-30 |
| 6389402 | Systems and methods for secure transaction management and electronic rights protection | Victor H. Shear, Francis J. Spahn, David M. Van Wie | 2002-05-14 |
| 6363488 | Systems and methods for secure transaction management and electronic rights protection | Victor H. Shear, Francis J. Spahn, David M. Van Wie | 2002-03-26 |