US Patent 8117793 Suspended ceiling grid assembly with separation joints
Patent 8117793 was granted and assigned to Chicago Metallic Corporation on February, 2012 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
December 22, 2008
Date of Patent
February 21, 2012
Patent Application Number
12340907
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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