Marc L. Richman

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El Granada, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for providing location specific sound in a telepr...
- Patent number 7,692,680
- Issue date Apr 6, 2010
- Cisco Technology, Inc.
- Philip R. Graham
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
System and Method for Providing Location Specific Sound in a Telepr...
- Publication number 20100214391
- Publication date Aug 26, 2010
- Cisco Technology, Inc.
- Philip R. Graham
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for providing location specific sound in a telepr...
- Publication number 20070263079
- Publication date Nov 15, 2007
- Philip R. Graham
- H04 - ELECTRIC COMMUNICATION TECHNIQUE