Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 3, 2015
Patent Application Number
13671442
Date Filed
November 7, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
A speaker apparatus for producing sound comprising of a housing, a plurality of covers, a speaker driver, a radiator, a resonator and a resonator stand which in combination provide an enhanced low frequency sound output.
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