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Kirsten Finley
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Durham, NC, US
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last 30 patents
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Patent Grant
Dual-diaphragm speaker assemblies with acoustic passageways and mob...
Patent number
7,567,680
Issue date
Jul 28, 2009
Sony Ericsson Mobile Communications, AB
Matthew Justin Murray
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
Dual-diaphragm speaker assemblies with acoustic passageways and mob...
Publication number
20060094378
Publication date
May 4, 2006
Matthew Justin Murray
H04 - ELECTRIC COMMUNICATION TECHNIQUE