Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Duane Darnell0
Date of Patent
March 2, 2010
0Patent Application Number
113563090
Date Filed
February 15, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A fire door designed to slow the progress of a fire in a dwelling or commercial building. More particularly, a fire door having one or more vertical stiles that include a layer of intumescent material.
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