US Patent 7392880 Dual range horn with acoustic crossover
Patent 7392880 was granted and assigned to Gibson Guitar Corporation on July, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
March 31, 2003
Date of Patent
July 1, 2008
Patent Application Number
10404006
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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