Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7730309 | Method and system for key management in voice over internet protocol | — | 2010-06-01 |
| 7139399 | Cryptographic system with methods for user-controlled message recovery | — | 2006-11-21 |
| 6314190 | Cryptographic system with methods for user-controlled message recovery | — | 2001-11-06 |
| 5471190 | Method and apparatus for resource allocation in a communication network system | — | 1995-11-28 |