Riku Sinikallio

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Erlangen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Hearing aid with a switching device for switching on and off and co...
- Patent number 7,522,739
- Issue date Apr 21, 2009
- Siemens Audiologische Technik GmbH
- Uwe Rass
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Hearing aid with a switching device for switching on and off and co...
- Publication number 20050254676
- Publication date Nov 17, 2005
- Siemens Audiologische Technik GmbH
- Uwe Rass
- H04 - ELECTRIC COMMUNICATION TECHNIQUE