US Patent D531217 Marker pen

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D531217

Patent Inventor Names

Masuo Hirota0

Date of Patent

October 31, 2006

Patent Application Number

29217024

Date Filed

November 12, 2004

Patent Citations Received

‌

US Patent 12105902 Method to be performed by stylus and sensor controller, stylus, and sensor controller

‌

US Patent 11662834 Electronic erasing device and writing information processing system

‌

US Patent D1020883 Pen

‌

US Patent D1042965 Hair removal device

Patent Primary Examiner

Elizabeth A. Albert

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