Redox flow battery cell stack
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Claims
The ornamental design for a redox flow battery cell stack, as shown and described.
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Type: Grant
Filed: Apr 4, 2016
Date of Patent: Aug 22, 2017
Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD. (Osaka)
Inventors: Ryo Sato (Osaka), Katsuya Yamanishi (Osaka), Takefumi Ito (Osaka), Takashi Kanno (Osaka)
Primary Examiner: Paula Greene
Application Number: 29/560,182