Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754821 | System, method and article of manufacture for transition state-based cryptography | Thomas A. Berson, R. Drews Dean, Teresa F. Lunt, Diana K. Smetters | 2004-06-22 |
| 6728376 | System for encrypting documents with stencils | R. Drews Dean | 2004-04-27 |