US Patent 8146961 Exit device
Patent 8146961 was granted and assigned to Von Duprin on April, 2012 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
July 8, 2008
0
Date of Patent
April 3, 2012
0
Patent Application Number
12169388
0
Patent Citations Received
Patent Inventor Names
David M. Schacht
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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