Marco BREITLER

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Patents Grantslast 30 patents

Information Patent Grant
Sound tube for an earpiece, sound tube arrangement, earpiece with s...
- Patent number 9,749,759
- Issue date Aug 29, 2017
- SONOVA AG
- Jonas Meyer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SOUND TUBE FOR AN EARPIECE, SOUND TUBE ARRANGEMENT, EARPIECE WITH S...
- Publication number 20160269839
- Publication date Sep 15, 2016
- Sonova AG
- Jonas Meyer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE