Inventor
DEAN R DREWS
US6 patents
Patents
6 patentsUS6802000B1Oct 5, 2004
System for authenticating access to online content referenced in hardcopy documents
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US7051199B1May 23, 2006
System, method and article of manufacture for providing cryptographic services utilizing a network
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US6938154B1Aug 30, 2005
System, method and article of manufacture for a cryptographic key infrastructure for networked devices
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US6754821B1Jun 22, 2004
System, method and article of manufacture for transition state-based cryptography
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US6728376B1Apr 27, 2004
System for encrypting documents with stencils
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US7421583B1Sep 2, 2008
System, method and article of manufacture for determining a price of cryptograph IC services based on a computational burden thereof
XEROX CORP18 citations83