US Patent D539493 Upright vacuum

Patent D539493 was granted and assigned to Shop Vac Corporation on March, 2007 by the United States Patent and Trademark Office.

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Patent Inventor Names

Melvin E. Wolfe, Jr.0

Robert L. Crevling, Jr.0

John Griffin0

Date of Patent

March 27, 2007

Patent Application Number

292372070

Date Filed

August 25, 2005

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