US Patent 7506665 Ball valve with interlocking stem
Patent 7506665 was granted and assigned to Nibco Inc. on March, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
May 3, 2006
Date of Patent
March 24, 2009
Patent Application Number
11416993
Patent Citations Received
Patent Inventor Names
Robert B. Gruener, Sr.
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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