Tor Erik Vigran

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Trondheim, NO

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Patents Grantslast 30 patents

Information Patent Grant
Sound absorbent
- Patent number 7,677,359
- Issue date Mar 16, 2010
- Deamp AS
- Tor Erik Vigran
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Sound Absorbent
- Publication number 20080264720
- Publication date Oct 30, 2008
- DeAmp AS
- Tor Erik Vigran
- G10 - MUSICAL INSTRUMENTS ACOUSTICS