Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 24, 2010
Patent Application Number
12199543
Date Filed
August 27, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
The communication privacy mask has a housing having an opening coupled with a mouth piece and a hollow sound tube mounted in the housing. A microphone is positioned in the sound tube with a space in front of the front end of the microphone.
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