J. Stephen Graham

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Scotts Valley, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Echo reduction for a headset or handset
- Patent number 7,227,944
- Issue date Jun 5, 2007
- Plantronics, Inc.
- John F. Gerhardt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Echo reduction for a headset or handset
- Patent number 7,039,179
- Issue date May 2, 2006
- Plantronics, Inc.
- John F. Gerhardt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Performance metrics for telephone-intensive personnel
- Publication number 20100070266
- Publication date Mar 18, 2010
- Plantronics, Inc., A DELAWARE CORPORATION
- Iain J. McNeill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE