Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8534986 | Bundle insertion/extraction system and method | Cyril John Borer, Jeffrey C. Edick, David Suain | 2013-09-17 |
| 6272632 | System and method for controlling access to a user secret using a key recovery field | David Carman, David M. Balenson, Homayoon Tajalli | 2001-08-07 |
| 5991406 | System and method for data recovery | Steven B. Lipner, David M. Balenson, Carl M. Ellison | 1999-11-23 |
| 5956403 | System and method for access field verification | Steven B. Lipner, David M. Balenson, Carl M. Ellison | 1999-09-21 |
| 5745573 | System and method for controlling access to a user secret | Steven B. Lipner, David M. Balenson, Carl M. Ellison | 1998-04-28 |
| 5640454 | System and method for access field verification | Steven B. Lipner, David M. Balenson, Carl M. Ellison | 1997-06-17 |
| 5557346 | System and method for key escrow encryption | Steven B. Lipner, David M. Balenson, Carl M. Ellison | 1996-09-17 |
| 5557765 | System and method for data recovery | Steven B. Lipner, David M. Balenson, Carl M. Ellison | 1996-09-17 |
| 5361359 | System and method for controlling the use of a computer | Homayoon Tajalli, Mark Lee Badger, David I. Dalva | 1994-11-01 |
| 4962533 | Data protection for computer systems | Steven D. Krueger, Martha A. Branstad | 1990-10-09 |