Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7036022 | Verification of trusted-path commands | Mary Ellen Zurko, Thomas Andrew Casey, Jr., Morrie Gasser, Judith Shelhorse Hall, Clifford E. Kahn +3 more | 2006-04-25 |
| 6871283 | Processing trusted commands in trusted and untrusted environments | Mary Ellen Zurko, Thomas Andrew Casey, Jr., Morrie Gasser, Judith Shelhorse Hall, Clifford E. Kahn +3 more | 2005-03-22 |
| 6507909 | Method for executing trusted-path commands | Mary Ellen Zurko, Thomas Andrew Casey, Jr., Morrie Gasser, Judith Shelhorse Hall, Clifford E. Kahn +3 more | 2003-01-14 |
| 5991406 | System and method for data recovery | David M. Balenson, Carl M. Ellison, Stephen T. Walker | 1999-11-23 |
| 5956403 | System and method for access field verification | David M. Balenson, Carl M. Ellison, Stephen T. Walker | 1999-09-21 |
| 5745573 | System and method for controlling access to a user secret | David M. Balenson, Carl M. Ellison, Stephen T. Walker | 1998-04-28 |
| 5640454 | System and method for access field verification | David M. Balenson, Carl M. Ellison, Stephen T. Walker | 1997-06-17 |
| 5557346 | System and method for key escrow encryption | David M. Balenson, Carl M. Ellison, Stephen T. Walker | 1996-09-17 |
| 5557765 | System and method for data recovery | David M. Balenson, Carl M. Ellison, Stephen T. Walker | 1996-09-17 |
| 5210795 | Secure user authentication from personal computer | Morrie Gasser, Butler W. Lampson | 1993-05-11 |