US Patent 7540072 Zipper construction for enhanced sealing
Patent 7540072 was granted and assigned to Illinois Tool Works on June, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
June 26, 2006
Date of Patent
June 2, 2009
Patent Application Number
11474619
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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