User authentication system and method for encryption and decryption | Patent Publication Number 20110078780

US 20110078780 A1
Patent NumberUS 08359476 B2
Application Number12957479
Filled DateDec 1, 2010
Priority DateMay 7, 1998
Publication DateMar 31, 2011
Current AssigneeRpx Corporation
Inventor/ApplicantsStephen Zizzi
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