Oliver Michael James Hewitt

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Auckland, NZ

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Patents Grantslast 30 patents

Information Patent Grant
In-ear device incorporating active noise reduction
- Patent number 9,654,854
- Issue date May 16, 2017
- Paul Darlington
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
IN-EAR DEVICE INCORPORATING ACTIVE NOISE REDUCTION
- Publication number 20130058493
- Publication date Mar 7, 2013
- Phitek Systems Limited
- Paul Darlington
- H04 - ELECTRIC COMMUNICATION TECHNIQUE