| 7620997 |
System and method for controlling network access in wireless environment |
David Carroll Challener, Daryl Cromer, Howard Locker, Randall Scott Springfield |
2009-11-17 |
| 7389536 |
System and apparatus for limiting access to secure data through a portable computer to a time set with the portable computer connected to a base computer |
David Carroll Challener, Ernest N. Mandese, James Peter Ward |
2008-06-17 |
| 6944300 |
Method for migrating a base chip key from one computer system to another |
David Carroll Challener |
2005-09-13 |
| 6782349 |
Method and system for updating a root of trust measurement function in a personal computer |
David Carroll Challener, Chad Gettelfinger, Steven Dale Goodman, Randall Scott Springfield, James Peter Ward |
2004-08-24 |
| 6687825 |
Data processing system and method for protecting data in a hard drive utilizing a signature device |
David Carroll Challener, Daryl Cromer, Mark Charles Davis, Dhruv M. Desai, Charles W. Kaufman +1 more |
2004-02-03 |
| 6598032 |
Systems and method for hiding from a computer system entry of a personal identification number (pin) to a smart card |
David Carroll Challener, Joseph P. McGovern, James Peter Ward |
2003-07-22 |
| 6591297 |
Data processing system and method for providing a networked printer's physical location |
David Carroll Challener, Joseph P. McGovern, Frank P. Novak |
2003-07-08 |
| 4825357 |
I/O controller for multiple disparate serial memories with a cache |
Neil A. Katz, Robert H. Farrell, Ernest D. Baker |
1989-04-25 |
