Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8613662 | Alterable storage media gaming machine | James Morrow, Lawrence McAllister, Robert Dubner | 2013-12-24 |
| 8554682 | Device verification system and method | James Morrow, Lawrence McAllister, Robert Dubner | 2013-10-08 |
| 8392707 | Gaming network | James Morrow, Paul R. Osgood | 2013-03-05 |
| 8165294 | Rollback attack prevention system and method | James Morrow, Marvin A. Hein | 2012-04-24 |
| 7907729 | Rollback attack prevention system and method | James Morrow, Marv Hein | 2011-03-15 |
| 7836302 | Device verification system and method | James Morrow, Lawrence McAllister, Robert Dubner | 2010-11-16 |
| 7783881 | Gaming device verification system and method using a file allocation structure | James Morrow, Larence McAllister, Robert Dubner | 2010-08-24 |
| 7023996 | Encryption for asymmetric data links | Gary Stephenson, David S. Parkman | 2006-04-04 |
| 6976168 | System and method for adaptive cryptographically synchronized authentication | Dennis K. Branstad | 2005-12-13 |
| 6915426 | System and method for enabling authentication at different authentication strength-performance levels | Michael Heyman, Alan T Sherman | 2005-07-05 |
| 6845449 | System and method for fast nested message authentication codes and error correction codes | Michael Heyman, Alan T Sherman | 2005-01-18 |
| 6842860 | System and method for selectively authenticating data | Dennis K. Branstad | 2005-01-11 |
| 6272632 | System and method for controlling access to a user secret using a key recovery field | David M. Balenson, Homayoon Tajalli, Stephen T. Walker | 2001-08-07 |
| 6249585 | Publicly verifiable key recovery | David McGrew | 2001-06-19 |
| 6041330 | System and method for generating year 2000 test cases | Siddhartha Dalal, Ashish Jain, Nachimuthu Karunanithi | 2000-03-21 |