Granular filter media retainer
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Claims
The ornamental design for a granular filter media retainer, as shown and described.
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Type: Grant
Filed: Dec 23, 2011
Date of Patent: Jun 18, 2013
Assignee: Xylem Water Solutions Zelienople LLC (Zelienople, PA)
Inventor: Christopher J. Ball (Cranberry Township, PA)
Primary Examiner: Mark Goodwin
Application Number: 29/409,477