DAVID WILLIAM OFFEN

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AURORA, CA

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for managing incoming calls
- Patent number 9,351,133
- Issue date May 24, 2016
- David William Offen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR MANAGING INCOMING CALLS
- Publication number 20160261742
- Publication date Sep 8, 2016
- DAVID WILLIAM OFFEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR MANAGING INCOMING CALLS
- Publication number 20150054910
- Publication date Feb 26, 2015
- DAVID WILLIAM OFFEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE