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Rory Jacobs
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Cypress, CA, US
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Patent Grant
Method and apparatus for managing digital content usage rights
Patent number
7,085,741
Issue date
Aug 1, 2006
Contentguard Holdings, Inc.
Guillermo Lao
G06 - COMPUTING CALCULATING COUNTING
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last 30 patents
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Patent Application
Method and apparatus for managing digital content usage rights
Publication number
20020109707
Publication date
Aug 15, 2002
Guillermo Lao
G06 - COMPUTING CALCULATING COUNTING