US Patent 7721794 Fin structure for heat exchanger
Patent 7721794 was granted and assigned to Lennox (company) on May, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
February 9, 2007
Date of Patent
May 25, 2010
Patent Application Number
11673127
Patent Inventor Names
Michael E. Heidenreich
0
Hailing Wu
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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