Joydeep Dutta

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Pully, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing an ear device and ear device
- Patent number 6,863,151
- Issue date Mar 8, 2005
- Phonak AG
- Christoph Widmer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for manufacturing an ear device and ear device
- Patent number 6,827,178
- Issue date Dec 7, 2004
- Phonak AG
- Christoph Widmer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for manufacturing an ear device and ear device
- Patent number 6,540,045
- Issue date Apr 1, 2003
- Phonak AG
- Christoph Widmer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method for manufacturing an ear device and ear device
- Publication number 20050141734
- Publication date Jun 30, 2005
- Christoph Widmer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method for manufacturing an ear device and ear device
- Publication number 20040201139
- Publication date Oct 14, 2004
- PHONAK AG
- Christoph Widmer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method for manufacturing an ear device and ear device
- Publication number 20040026163
- Publication date Feb 12, 2004
- Christoph Widmer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method for manufacturing an ear device and ear device
- Publication number 20030155173
- Publication date Aug 21, 2003
- Christoph Widmer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL