| 8308819 |
Method for detecting the removal of a processing unit from a printed circuit board |
Wesley A. Kirschner, John A. Hurd, Frederick W. Ryan, Jr., Gary S. Jacobson |
2012-11-13 |
| 8010873 |
Systems and methods for efficient uncorrectable error detection in flash memory |
Wesley A. Kirschner, John A. Hurd, Gary S. Jacobson |
2011-08-30 |
| 7707481 |
System and method for efficient uncorrectable error detection in flash memory |
Wesley A. Kirschner, John A. Hurd, Gary S. Jacobson |
2010-04-27 |
| 7171368 |
Method and apparatus for the remote inspection of postage meters |
Steven J. Pauly |
2007-01-30 |
| 6946960 |
Active tamper detection system for electronic modules |
Ralph A. Rapillo, George M. Macdonald |
2005-09-20 |
| 6480831 |
Method and apparatus for securely transmitting keys from a postage metering apparatus to a remote data center |
Robert A. Cordery, Frederick W. Ryan, Jr. |
2002-11-12 |
| 6192473 |
System and method for mutual authentication and secure communications between a postage security device and a meter server |
Frederick W. Ryan, Jr. |
2001-02-20 |
| 6058384 |
Method for removing funds from a postal security device |
Perry A. Pierce, Frederick W. Ryan, Jr., Kevin L. Strobel |
2000-05-02 |
| 5949879 |
Auditable security system for the generation of cryptographically protected digital data |
William Berson, Elizabeth Bernobich, Richard W. Heiden, Richard A. Potoczek, Anthony F. Violante |
1999-09-07 |
| 5871288 |
Method for customer selectable module size for an information based indicia |
Frederick W. Ryan, Jr. |
1999-02-16 |
| 5812664 |
Key distribution system |
Elizabeth Bernobich, Richard W. Heiden |
1998-09-22 |
| 5812990 |
System and method for providing an additional cryptography layer for postage meter refills |
Frederick W. Ryan, Jr. |
1998-09-22 |
| 4856604 |
Apparatus and method of determining the authenticity of weight obtained from a vibrating tray scale |
Richard Anthony Connell |
1989-08-15 |
