SURETY, LLC

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H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 5163

5,373,561 Method of extending the validity of a cryptographic certificateDec 21, 92Dec 13, 94[H04L]200

5,781,629 Digital document authentication systemFeb 21, 97Jul 14, 98[H04L]166

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6,807,277 Secure messaging system with return receiptsJun 12, 00Oct 19, 04[H04L]42

7,047,404 Method and apparatus for self-authenticating digital recordsMay 16, 00May 16, 06[H04L]24

2012/0290,847 SYSTEM AND METHOD FOR RELIABLY PRESERVING WEB-BASED EVIDENCEMay 09, 11Nov 15, 12[H04L]

2003/0147,536 Secure electronic messaging system requiring key retrieval for deriving decryption keysFeb 05, 02Aug 07, 03[H04L]

7,146,009 Secure electronic messaging system requiring key retrieval for deriving decryption keysFeb 05, 02Dec 05, 06[H04L]

7,047,404 Method and apparatus for self-authenticating digital recordsMay 16, 00May 16, 06[H04L]

6,807,277 Secure messaging system with return receiptsJun 12, 00Oct 19, 04[H04L]

5,781,629 Digital document authentication systemFeb 21, 97Jul 14, 98[H04L]

5,373,561 Method of extending the validity of a cryptographic certificateDec 21, 92Dec 13, 94[H04L]

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