US Patent D616973 Air heater

Patent D616973 was granted and assigned to Rinnai on June, 2010 by the United States Patent and Trademark Office.

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Patent Number

Patent Inventor Names

Hiroaki Higashijima0

Yoshikazu Kubo0

Tetsuya Higuchi0

Katsunori Maegawa0

Date of Patent

June 1, 2010

Patent Application Number

293441500

Date Filed

September 24, 2009

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