Albert Meltzer

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Menlo Park, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Access control systems and methods using visibility tokens with aut...
- Patent number 7,594,258
- Issue date Sep 22, 2009
- Yahoo! Inc.
- Jianchang Mao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Access control systems and methods using visibility tokens with aut...
- Publication number 20060294192
- Publication date Dec 28, 2006
- Yahoo! Inc.
- Jianchang Mao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE