US Patent D613330 Calculator with maze game

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D6133300

Patent Inventor Names

Hiu Wai Ho0

Wing Kit Lui0

Date of Patent

April 6, 2010

Patent Application Number

293409700

Date Filed

July 29, 2009

Patent Citations Received

‌

US Patent D1048194 Magnetic maze ball toy

‌

US Patent D1018674 Puzzle toy

‌

US Patent D1026112 Magnet airport maze

Patent Primary Examiner

‌

Caron Veynar

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