Issued Patents All Time
Showing 101–122 of 122 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6044350 | Certificate meter with selectable indemnification provisions | Monroe A. Weiant, Jr. | 2000-03-28 |
| 6029137 | Updating domains in a postage evidencing system | Robert A. Cordery, Brad L. Davies, Louis J. Loglisci, Maria P. Parkos, Mark A. Scribe +1 more | 2000-02-22 |
| 5987441 | Token generation process in an open metering system | David K. Lee, David W. Riley | 1999-11-16 |
| 5982896 | System and method of verifying cryptographic postage evidencing using a fixed key set | Robert A. Cordery, David K. Lee, Steven J. Pauly, Leon A. Pintsov, Monroe A. Weiant, Jr. | 1999-11-09 |
| 5943658 | Method for automatic determination of origination ZIP code using caller I.D. | Linda V. Gravell | 1999-08-24 |
| 5884158 | Cellular telephone authentication system using a digital certificate | Nathan Rosenberg | 1999-03-16 |
| 5881133 | Method for correcting communications errors when communicating with a voice response unit over a cellular telephone network | Frank M. D'lppolito | 1999-03-09 |
| 5871288 | Method for customer selectable module size for an information based indicia | Robert W. Sisson | 1999-02-16 |
| 5812666 | Cryptographic key management and validation system | Walter J. Baker, Feliks Bator, Robert A. Cordery, Kevin D. Hunter, Kathryn V. Lawton +5 more | 1998-09-22 |
| 5812945 | Metered payment cellular telephone communication system | Gary G. Hansen, David W. Riley, David K. Lee, Nathan Rosenberg, Anthony F. Violante +1 more | 1998-09-22 |
| 5812990 | System and method for providing an additional cryptography layer for postage meter refills | Robert W. Sisson | 1998-09-22 |
| 5805701 | Enhanced encryption control system for a mail processing system having data center verification | — | 1998-09-08 |
| 5796841 | Secure user certification for electronic commerce employing value metering system | Robert A. Cordery, David K. Lee, Leon A. Pintsov, Monroe A. Weiant, Jr. | 1998-08-18 |
| 5793867 | System and method for disaster recovery in an open metering system | Robert A. Cordery, David K. Lee, Leon A. Pintsov, Walter J. Baker, Joseph L. Gargiulo +1 more | 1998-08-11 |
| 5781438 | Token generation process in an open metering system | David K. Lee, David W. Riley | 1998-07-14 |
| 5742683 | System and method for managing multiple users with different privileges in an open metering system | David K. Lee, David W. Riley | 1998-04-21 |
| 5661803 | Method of token verification in a key management system | Robert A. Cordery, John F. Braun, Frank M. D'Ippolito, Kathyrn V. Lawton, Steven J. Pauly +2 more | 1997-08-26 |
| 5625694 | Method of inhibiting token generation in an open metering system | David K. Lee, David W. Riley | 1997-04-29 |
| 5499374 | Event driven communication network | Peter C. Di Giulio, David K. Lee, David W. Riley | 1996-03-12 |
| 5452419 | Serial communication control system between nodes having predetermined intervals for synchronous communications and mediating asynchronous communications for unused time in the predetermined intervals | Peter C. Di Giulio, David K. Lee, David W. Riley | 1995-09-19 |
| 5400345 | Communications system to boundary-scan logic interface | — | 1995-03-21 |
| 5390351 | System for communicating with plural nodes in predetermined intervals depended on integers assigned and changed based upon configuration thereof | Peter C. Di Giulio, James L. Harman, David K. Lee | 1995-02-14 |