Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yul Lavauno Anderson0
Date of Patent
July 17, 2018
Patent Application Number
10592576
Date Filed
January 14, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A Closed Loop Headphone Apparatus with 1, 2, 3, 4, 5, 6, 7 or more built-in speakers and 2 Ear Openings, which go around the head of the user and imparting real surround sound emitted from each ear opening.
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