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Wakefield S. Stornetta Jr.
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Morristown, NJ, US
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Patents Grants
last 30 patents
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Patent Grant
Method for secure time-stamping of digital documents
Patent number
RE34954
Issue date
May 30, 1995
Bell Communications Research, Inc.
Stuart A. Haber
380 - Cryptography
Information
Patent Grant
Method of extending the validity of a cryptographic certificate
Patent number
5,373,561
Issue date
Dec 13, 1994
Bell Communications Research, Inc.
Stuart A. Haber
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Digital document time-stamping with catenate certificate
Patent number
5,136,646
Issue date
Aug 4, 1992
Bell Communications Research, Inc.
Stuart A. Haber
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for secure time-stamping of digital documents
Patent number
5,136,647
Issue date
Aug 4, 1992
Bell Communications Research, Inc.
Stuart A. Haber
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Device and method of mediating access
Publication number
20020144136
Publication date
Oct 3, 2002
Wakefield Scott Stornetta
G06 - COMPUTING CALCULATING COUNTING