US Patent D611538 Pen

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D611538

Patent Inventor Names

Yu Zhou0

Date of Patent

March 9, 2010

Patent Application Number

29323587

Date Filed

August 27, 2008

Patent Citations Received

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US Patent D1044942 Pen

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US Patent D1027034 Ball point pen

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US Patent D1027033 Ball point pen

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US Patent D1028090 Ball point pen

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US Patent D1039048 Ballpoint pen

Patent Primary Examiner

Elizabeth A. Albert

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