US Patent 7758947 Web having apertures with convex sides
Patent 7758947 was granted and assigned to Tredegar Film Products on July, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
December 6, 2006
Date of Patent
July 20, 2010
Patent Application Number
11567346
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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