CONTENTGUARD HOLDINGS, INC.

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El Segundo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for conducting transactions between repositories
- Patent number 9,953,328
- Issue date Apr 24, 2018
- CONTENTGUARD HOLDINGS, INC.
- Mark J. Stefik
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING RIGHTS EXPRESSIONS BY STAKEHOLDER...
- Publication number 20100138351
- Publication date Jun 3, 2010
- CONTENTGUARD HOLDINGS, INC.
- Charles P. GILLIAM
- G06 - COMPUTING CALCULATING COUNTING

Trademarklast 30 trademarks