Patrick Westerkull

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Hovas, SE

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Patents Grantslast 30 patents

Information Patent Grant
Hearing aid apparatus
- Patent number 7,043,040
- Issue date May 9, 2006
- P&B Research AB
- Patrick Westerkull
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Hearing aid apparatus
- Publication number 20040234091
- Publication date Nov 25, 2004
- Patrick Westerkull
- H04 - ELECTRIC COMMUNICATION TECHNIQUE