Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978017 | Method and system for providing updated encryption key pairs and digital signature key pairs in a public key system | Michael Wiener | 2005-12-20 |
| 6192130 | Information security subscriber trust authority transfer system with private key history transfer | — | 2001-02-20 |
| 5968177 | Method and apparatus for processing administration of a secured community | Mark Christopher Batten-Carew, Marek Buchler, Stephen W. Hiller | 1999-10-19 |
| 5699431 | Method for efficient management of certificate revocation lists and update information | Paul C. Van Oorschot, Warwick Ford, Stephen Hillier | 1997-12-16 |