US Patent D684139 Headphone

Patent D684139 was granted and assigned to Yamaha (yacht) on June, 2013 by the United States Patent and Trademark Office.

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Patent Number

Patent Inventor Names

Mitsuru Hosoo0

Kazushige Miyake0

Date of Patent

June 11, 2013

Patent Application Number

294172860

Date Filed

April 2, 2012

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