Inventor
RETTIG PAUL R
US5 patents
Patents
5 patentsUS7110984B1Sep 19, 2006
Updating usage conditions in lieu of download digital rights management protected content
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Updating usage conditions in lieu of download digital rights management protected content
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Method for determining internet users geographic region
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US6978375B1Dec 20, 2005
System and method for secure authentication of external software modules provided by third parties
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US7500109B2Mar 3, 2009
System and method for secure authentication of external software modules provided by third parties
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