Gwendolyn P. Massingill

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Aurora, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Personal listening device
- Patent number 7,680,292
- Issue date Mar 16, 2010
- Knowles Electronics, LLC
- Daniel Max Warren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PERSONAL LISTENING DEVICE
- Publication number 20100128905
- Publication date May 27, 2010
- Daniel Max Warren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MEMS PACKAGE HAVING AT LEAST ONE PORT AND MANUFACTURING METHOD THEREOF
- Publication number 20080217709
- Publication date Sep 11, 2008
- KNOWLES ELECTRONICS, LLC
- Anthony Minervini
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Electroacoustic system and method of manufacturing thereof
- Publication number 20080101640
- Publication date May 1, 2008
- KNOWLES ELECTRONICS, LLC
- William J. Ballad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PERSONAL LISTENING DEVICE
- Publication number 20080031481
- Publication date Feb 7, 2008
- KNOWLES ELECTRONICS, LLC
- Daniel Max Warren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electroacoustic Transducer System and Manufacturing Method Thereof
- Publication number 20070223735
- Publication date Sep 27, 2007
- KNOWLES ELECTRONICS, LLC
- Janice L. LoPresti
- H04 - ELECTRIC COMMUNICATION TECHNIQUE