Issued Patents All Time
Showing 101–125 of 158 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466921 | Virtual postage meter with secure digital signature device | Gary M. Heiden, David K. Lee, Frank M. D'Ippolito | 2002-10-15 |
| 6385504 | Mail processing system with unique mailpiece authorization assigned in advance of mailpieces entering carrier service mail processing stream | Leon A. Pintsov | 2002-05-07 |
| 6363484 | Method of verifying unreadable indicia for an information-based indicia program | Richard W. Heiden, Leon A. Pintsov, Brian M. Romansky, Monroe A. Weiant, Jr. | 2002-03-26 |
| 6317498 | Mail processing system including data center verification for mailpieces | Jose Pastor, George Brookner, Hyung-kun Kim | 2001-11-13 |
| 6295359 | Method and apparatus for distributing keys to secure devices such as a postage meter | Frederick W. Ryan, Jr., Ari Singer | 2001-09-25 |
| 6260144 | Method for verifying the expected postal security device in a postage metering system | David E. Pitchenik, Frederick W. Ryan, Jr. | 2001-07-10 |
| 6175827 | Robus digital token generation and verification system accommodating token verification where addressee information cannot be recreated automated mail processing | Leon A. Pintsov | 2001-01-16 |
| 6169804 | Method for verifying the expected postage security device and its status | Frederick W. Ryan, Jr. | 2001-01-02 |
| 6157919 | PC-based open metering system and method | David K. Lee, Steven J. Pauly, Leon A. Pintsov, David W. Riley, Frederick W. Ryan, Jr. +1 more | 2000-12-05 |
| 6151590 | Network open metering system | David K. Lee, Steven J. Pauly, Leon A. Pintsov, David W. Riley, Frederick W. Ryan, Jr. +1 more | 2000-11-21 |
| 6134328 | Secure user certification for electronic commerce employing value metering system | David K. Lee, Leon A. Pintsov, Frederick W. Ryan, Jr., Monroe A. Weiant, Jr. | 2000-10-17 |
| 6085182 | Method and apparatus for canceling postage | — | 2000-07-04 |
| 6073125 | Token key distribution system controlled acceptance mail payment and evidencing system | Leon A. Pintsov | 2000-06-06 |
| 6064989 | Synchronization of cryptographic keys between two modules of a distributed system | Brad L. Davies, Louis J. Loglisci, Edward J. Naclario, Maria P. Parkos, Frederick W. Ryan, Jr. +3 more | 2000-05-16 |
| 6061671 | System and method for disaster recovery in an open metering system | Walter J. Baker, Joseph L. Gargiulo, Richard W. Heiden, David K. Lee, Leon A. Pintsov +1 more | 2000-05-09 |
| 6058193 | System and method of verifying cryptographic postage evidencing using a fixed key set | David K. Lee, Steven J. Pauly, Leon A. Pintsov, Frederick W. Ryan, Jr., Monroe A. Weiant, Jr. | 2000-05-02 |
| 6058190 | Method and system for automatic recognition of digital indicia images deliberately distorted to be non readable | Leon A. Pintsov, Claude Zeller | 2000-05-02 |
| 6029137 | Updating domains in a postage evidencing system | Brad L. Davies, Louis J. Loglisci, Maria P. Parkos, Frederick W. Ryan, Jr., Mark A. Scribe +1 more | 2000-02-22 |
| 5982896 | System and method of verifying cryptographic postage evidencing using a fixed key set | David K. Lee, Steven J. Pauly, Leon A. Pintsov, Frederick W. Ryan, Jr., Monroe A. Weiant, Jr. | 1999-11-09 |
| 5974147 | Method of verifying unreadable indicia for an information-based indicia program | Richard W. Heiden, Leon A. Pintsov, Brian M. Romansky, Monroe A. Weiant, Jr. | 1999-10-26 |
| 5953427 | Electronic data interchange postage evidencing system | Steven J. Pauly, Leon A. Pintsov | 1999-09-14 |
| 5936865 | Mail processing system with unique mailpiece authorization assigned in advance of mailpieces entering carrier service mail processing stream | Leon A. Pintsov | 1999-08-10 |
| 5878136 | Encryption key control system for mail processing system having data center verification | Hyung-kun Kim, Leon A. Pintsov | 1999-03-02 |
| 5835689 | Transaction evidencing system and method including post printing and batch processing | John F. Braun, Leon A. Pintsov | 1998-11-10 |
| 5812666 | Cryptographic key management and validation system | Walter J. Baker, Feliks Bator, Kevin D. Hunter, Kathryn V. Lawton, Louis J. Loglisci +5 more | 1998-09-22 |