Sonionkirk A/S

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Horsens, DK

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Patents Grantslast 30 patents

Information Patent Grant
Electro-acoustic transducer with two diaphragms
- Patent number 6,931,140
- Issue date Aug 16, 2005
- Sonionkirk A/S
- Aart Zeger Van Halteren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electroacoustic communications unit
- Patent number 6,658,110
- Issue date Dec 2, 2003
- Sonionkirk A/S
- Morten Kjeldsen Andersen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

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Patents Applicationslast 30 patents

Information Patent Application
Coil for an electroacoustic transducer
- Publication number 20050031152
- Publication date Feb 10, 2005
- SONIONKIRK A/S
- Kaj Borge Hansen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE