US Patent 7931468 All primary combustion burner
Patent 7931468 was granted and assigned to Rinnai on April, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 28, 2007
0
Date of Patent
April 26, 2011
0
Patent Application Number
11946375
0
Patent Inventor Names
Yoshihiko Takasu
0
Takashi Ojiro
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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