Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8127337 | Method and apparatus as pertains to a biometric template and a corresponding privacy policy | Steven F. Gillig, Jeffrey D. Bonta | 2012-02-28 |
| 7899187 | Domain-based digital-rights management system with easy and secure device enrollment | Thomas S. Messerges, Larry C. Puhl, Dean H. Vogler | 2011-03-01 |
| 7734549 | Methods and apparatus for managing secured software for a wireless device | Thomas S. Messerges | 2010-06-08 |
| 7596812 | System and method for protected data transfer | Yi-Qun Li, Morris A. Moore | 2009-09-29 |
| 7549046 | Method and system for vehicle authorization of a service technician | Walton Fehr, Samuel M. Levenson, Larry C. Puhl, Jurgen Reinold | 2009-06-16 |
| 7522915 | Method and apparatus to facilitate alternative modes of operation for a portable communication device | Yi-Qun Li, Thomas S. Messerges, Larry C. Puhl | 2009-04-21 |
| 7363492 | Method for zero-knowledge authentication of a prover by a verifier providing a user-selectable confidence level and associated application devices | Douglas A. Kuhlman, Larry C. Puhl | 2008-04-22 |
| 7325135 | Method and system for authorizing reconfiguration of a vehicle | Walton Fehr, Samuel M. Levenson, Larry C. Puhl, Jurgen Reinold | 2008-01-29 |
| 7228420 | Method and system for technician authentication of a vehicle | Walton Fehr, Samuel M. Levenson, Larry C. Puhl, Jurgen Reinold | 2007-06-05 |
| 7137142 | Method and system for vehicle authentication of a component using key separation | Larry C. Puhl | 2006-11-14 |
| 7137001 | Authentication of vehicle components | Larry C. Puhl | 2006-11-14 |
| 7131005 | Method and system for component authentication of a vehicle | Samuel M. Levenson, John David Bruner, Walton Fehr, Larry C. Puhl, Jurgen Reinold | 2006-10-31 |
| 7127611 | Method and system for vehicle authentication of a component class | Larry C. Puhl | 2006-10-24 |
| 7010682 | Method and system for vehicle authentication of a component | Jurgen Reinold, John David Bruner, Walton Fehr, Samual M. Levenson, Larry C. Puhl | 2006-03-07 |
| 6839710 | Method and system for maintaining a configuration history of a vehicle | Samuel M. Levenson, Jurgen Reinold | 2005-01-04 |
| 6298135 | Method of preventing power analysis attacks on microelectronic assemblies | Thomas S. Messerges | 2001-10-02 |
| 6295606 | Method and apparatus for preventing information leakage attacks on a microelectronic assembly | Thomas S. Messerges, Larry C. Puhl | 2001-09-25 |
| 6223291 | Secure wireless electronic-commerce system with digital product certificates and digital license certificates | Larry C. Puhl, Dean H. Vogler | 2001-04-24 |
| 6169492 | Remote keyless entry user-transparent auto re-synchronization apparatus and method | — | 2001-01-02 |
| 5943426 | Method and apparatus for relaying digitally signed messages | Robert Frith, Larry C. Puhl | 1999-08-24 |
| 5917911 | Method and system for hierarchical key access and recovery | Robert L. Geiger, Larry C. Puhl | 1999-06-29 |
| 5564106 | Method for providing blind access to an encryption key | Larry C. Puhl, Louis D. Finkelstein | 1996-10-08 |
| 5347548 | Circuit for simultaneous recovery of bit clock and frame synchronization | Thomas S. Messerges, Larry C. Puhl | 1994-09-13 |
| 5136704 | Redundant microprocessor control system using locks and keys | Carl M. Danielsen, Larry C. Puhl | 1992-08-04 |
| 5090015 | Programmable array logic self-checking system | Larry C. Puhl, William L. Brendle | 1992-02-18 |