Jacques Martinat

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Caluire, FR

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Patents Grantslast 30 patents

Information Patent Grant
Active device for attenuating the intensity of sound
- Patent number 6,463,156
- Issue date Oct 8, 2002
- Comptoir de la Technologie
- Lionel Gaudriot
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Active device for attenuating the sound intensity
- Patent number 5,834,647
- Issue date Nov 10, 1998
- Comptoir De La Technologie
- Lionel Gaudriot
- G10 - MUSICAL INSTRUMENTS ACOUSTICS