Douglas Andrew Marchant

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Cambridgeshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Bending wave acoustic device and method of making thereof
- Patent number 8,391,540
- Issue date Mar 5, 2013
- New Transducers Limited
- David Keith Berriman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Bending Wave Acoustic Device and Method of Making Thereof
- Publication number 20090290732
- Publication date Nov 26, 2009
- NEW TRANSDUCERS LIMITED
- Keith David Berriman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE