John M. Beresford

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Sherbourne, GB

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical filter
- Patent number 6,145,615
- Issue date Nov 14, 2000
- Thomson Marconi Sonar Limited
- John Michael Beresford
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic sensor
- Patent number 5,798,488
- Issue date Aug 25, 1998
- GEC-Marconi Limited
- John M. Beresford
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL