US Patent 7637283 Pressure relief valve with stiff support
Patent 7637283 was granted and assigned to Plitek on December, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
May 20, 2005
Date of Patent
December 29, 2009
Patent Application Number
11133914
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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