Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973569 | Inexpensive secure on-line certification authority system and method | Stephen R. Hanna | 2005-12-06 |
| 6883100 | Method and system for dynamic issuance of group certificates | Yassir K. Elley, Stephen R. Hanna, Sean J. Mullan, Radia J. Perlman | 2005-04-19 |