US Patent 7946378 Membrane for an electroacoustic transducer
Is a
Date Filed
September 23, 2010
0
Date of Patent
May 24, 2011
0
Patent Application Number
12889120
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Patent Inventor Names
Susanne Windischberger
0
Helmut Wasinger
0
Josef Lutz
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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