US Patent 8013233 Keyboard apparatus
Patent 8013233 was granted and assigned to Yamaha (yacht) on September, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 17, 2008
Date of Patent
September 6, 2011
Patent Application Number
12253674
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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