Erik Witthoefft Rasmussen

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Meilen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for the supply of energy to a hearing device
- Patent number 6,369,551
- Issue date Apr 9, 2002
- Phonak AG
- Enrique Marcello Blumenkrantz
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method and apparatus for the supply of energy to a hearing device
- Patent number 6,225,792
- Issue date May 1, 2001
- Phonak AG
- Enrique Marcello Blumenkrantz
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method and apparatus for generating a supply voltage for a hearing...
- Patent number 5,907,235
- Issue date May 25, 1999
- Phonak AG
- Enrique Marcelo Blumenkrantz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid device
- Patent number 5,719,528
- Issue date Feb 17, 1998
- Phonak AG
- Erik Witthoefft Rasmussen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for the supply of energy to a hearing device
- Publication number 20010005128
- Publication date Jun 28, 2001
- Enrique M. Blumenkrantz
- G05 - CONTROLLING REGULATING