David Courtois

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Bessancourt, FR

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Patents Grantslast 30 patents

Information Patent Grant
Deep-ear-canal hearing device
- Patent number 8,848,955
- Issue date Sep 30, 2014
- Siemens Medical Instruments Pte. Ltd.
- David Courtois
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DEEP-EAR-CANAL HEARING DEVICE
- Publication number 20110293125
- Publication date Dec 1, 2011
- SIEMENS MEDICAL INSTRUMENTS PTE. LTD.
- David Courtois
- H04 - ELECTRIC COMMUNICATION TECHNIQUE