Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484259 | Methods and arrangements for mapping widely disparate portable tokens to a static machine concentric cryptographic environment | — | 2002-11-19 |
| 5742756 | System and method of using smart cards to perform security-critical operations requiring user authorization | Blair B. Dillaway, Terry M. Lipscomb | 1998-04-21 |
| 5204961 | Computer network operating with multilevel hierarchical security with selectable common trust realms and corresponding security protocols | — | 1993-04-20 |