Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 13, 2010
Patent Application Number
10700213
Date Filed
November 3, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A hearing protection device and a method of manufacturing thereof is provided. The device includes a sound attenuating portion for being disposed within an ear canal of a user to obstruct the passage of sound and a channel formed through the sound attenuating portion for allowing sound to pass through the sound attenuating portion.
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