US Patent D637580 Subwoofer

Patent D637580 was granted and assigned to Qsc on May, 2011 by the United States Patent and Trademark Office.

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Patent Number

Patent Inventor Names

Alejandro Aranda, Jr.0

Justin A. O'Connor0

Joseph Chavez0

John R. Brodie0

Date of Patent

May 10, 2011

Patent Application Number

293579980

Date Filed

March 19, 2010

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