Hidde de Haan

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Patents Grantslast 30 patents

Information Patent Grant
Electrostatic speaker systems and methods
- Patent number 8,290,197
- Issue date Oct 16, 2012
- Transparent Sound Technology B.V.
- Ronald Buining
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrostatic loudspeaker systems and methods
- Patent number 8,000,483
- Issue date Aug 16, 2011
- Transparent Sound Technology B.V.
- Hidde de Haan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Electrostatic Speaker Systems and Methods
- Publication number 20100272309
- Publication date Oct 28, 2010
- Ronald Buining
- H04 - ELECTRIC COMMUNICATION TECHNIQUE