Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367019 | Copy security for portable music players | Steven T. Ansell, Andrew R. Cherenson, Mark E. Paley, Steven Katz, Bruce Schneier | 2002-04-02 |
| 5978475 | Event auditing system | Bruce Schneier | 1999-11-02 |
| 5956404 | Digital signature with auditing bits | Bruce Schneier | 1999-09-21 |