Substrate cleaning brush
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The dashed lines illustrating portions and features not part of the claimed invention.
Claims
We claim the ornamental design for a substrate cleaning brush, as shown and described.
Type: Grant
Filed: Dec 21, 2010
Date of Patent: May 14, 2013
Assignee: Entegris, Inc. (Billerica, MA)
Inventors: Christopher Wargo (Wellesley, MA), Rakesh Kumar Singh (Acton, MA), David Trio (Dracut, MA), Eric McNamara (Nashua, NH)
Primary Examiner: Melanie H Tung
Assistant Examiner: Lavone D Tabor
Application Number: 29/381,652