US Patent D589929 Combined speaker and amplifier

Patent D589929 was granted and assigned to Yamaha (yacht) on April, 2009 by the United States Patent and Trademark Office.

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Patent Number

Patent Inventor Names

Sunao Okamura0

Nobushiro Aiba0

Date of Patent

April 7, 2009

Patent Application Number

292991570

Date Filed

December 20, 2007

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