Ben Kavanah

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Certificate handling for digital rights management system
- Patent number 6,513,117
- Issue date Jan 28, 2003
- Gemstar Development Corporation
- Marc Tarpenning
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
CERTIFICATE HANDLING FOR DIGITAL RIGHTS MANAGEMENT SYSTEM
- Publication number 20020007454
- Publication date Jan 17, 2002
- MARC TARPENNING
- G06 - COMPUTING CALCULATING COUNTING