US Patent 8776462 Firestop collar
Patent 8776462 was granted and assigned to Hilti on July, 2014 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 29, 2012
Date of Patent
July 15, 2014
Patent Applicant
Patent Application Number
13662953
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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