Richard Weil

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London, GB

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Patents Grantslast 30 patents

Information Patent Grant
Active noise cancelling ear phone system
- Patent number 9,473,845
- Issue date Oct 18, 2016
- Cirrus Logic, Inc.
- Richard Weil
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ACTIVE NOISE CANCELLING EAR PHONE SYSTEM
- Publication number 20130266150
- Publication date Oct 10, 2013
- Wolfson Microelectonics plc
- Richard Weil
- G10 - MUSICAL INSTRUMENTS ACOUSTICS