John Zei

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Barrington, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Conjoined receiver and microphone assembly
- Patent number 7,747,032
- Issue date Jun 29, 2010
- Knowles Electronics, LLC
- John Zei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Conjoined Receiver and Microphone Assembly
- Publication number 20060251279
- Publication date Nov 9, 2006
- KNOWLES ELECTRONICS, LLC
- John Zei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE