Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661803 | Method of token verification in a key management system | Robert A. Cordery, John F. Braun, Frank M. D'Ippolito, Kathyrn V. Lawton, Steven J. Pauly +2 more | 1997-08-26 |
| 5625694 | Method of inhibiting token generation in an open metering system | David K. Lee, David W. Riley | 1997-04-29 |