Charles Pohlenz

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Six-Four-les-Plages, FR

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Patents Grantslast 30 patents

Information Patent Grant
Directional electro-acoustic transducers comprising a sealed sell c...
- Patent number 5,546,361
- Issue date Aug 13, 1996
- Etat Francais as represented by the Delegue General pour l'armement
- Didier Boucher
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electro-acoustic transducers comprising a flexible and sealed trans...
- Patent number 5,515,343
- Issue date May 7, 1996
- Etat Francais as represented by the Delegue General pour l'armement
- Didier Boucher
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Tonpilz type piezoelectric transducer capable of operating alternat...
- Patent number 4,811,307
- Issue date Mar 7, 1989
- L'Etat Francais represente par le Delegue General pour l'Armement
- Charles Pohlenz
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Electrio-acoustic transducers
- Patent number 4,752,918
- Issue date Jun 21, 1988
- Etat Francais
- Didier Boucher
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL