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Dive into the research topics where Richard W. Heiden is active.

Publication


Featured researches published by Richard W. Heiden.


Archive | 1993

System for smart card funds refill

Walter J. Baker; Joseph L. Gargiulo; Richard W. Heiden


Archive | 1996

Key distribution system

Elizabeth Bernobich; Richard W. Heiden; Robert W. Sisson


Archive | 1998

Postage printing system having a digital coupon distribution system

Richard W. Heiden


Archive | 1996

System and method for disaster recovery in an open metering system

Robert A. Cordery; David K. Lee; Leon A. Pintsov; Frederick W. Ryan; Walter J. Baker; Joseph L. Gargiulo; Richard W. Heiden


Archive | 1996

Method of verifying unreadable indicia for an information-based indicia program

Robert A. Cordery; Richard W. Heiden; Leon A. Pintsov; Brian M. Romansky; Monroe A. Weiant


Archive | 2000

Software based stamp dispenser

Gary M. Heiden; Richard W. Heiden; Chunhua Li


Archive | 1996

Auditable security system for the generation of cryptographically protected digital data

William Berson; Elizabeth Bernobich; Richard W. Heiden; Richard A. Potoczek; Robert W. Sisson; Anthony F. Violante


Archive | 1999

Postage printing system having subsidized printing of third party messages

Richard W. Heiden; Steven M. Kaye; Jeffrey D. Pierce; Frederick W. Ryan


Archive | 2002

Method and system for authenticating a network user

Richard W. Heiden


Archive | 2001

Method and system for revocation of certificates used to certify public key users

Richard W. Heiden; Monroe A. Weiant

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