Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976168 | System and method for adaptive cryptographically synchronized authentication | David Carman | 2005-12-13 |
| 6842860 | System and method for selectively authenticating data | David Carman | 2005-01-11 |
| 4386233 | Crytographic key notarization methods and apparatus | Miles E. Smid | 1983-05-31 |