Mark Identification

POSTAL ECS

Serial Number

75143927

Filing Date

Aug 2, 1996

Registration Date

Sep 15, 1998

Trademark by

UNITED STATES POSTAL SERVICE

Classification Information

providing secure electronic archiving of electronic documents and messages

Transportation and storage

issuing customers certificates containing a public key of private/public key pairs used to authenticate encrypted messages; and applying electronic date and time stamp and digital signature to electronic documents and transactions to verify time and date received and that documents and transactions have not been altered after application of digital signature

Computer and Scientific