US Patent D581099 Safety helmet

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D581099

Patent Inventor Names

Joong Koo Ahn0

Weon Yeol Choi0

Date of Patent

November 18, 2008

Patent Application Number

29284408

Date Filed

September 7, 2007

Patent Citations Received

‌

US Patent D1003526 Power supply attachment surface node

‌

US Patent 12059051 System and method for designing and manufacturing a protective sports helmet

‌

US Patent 11910859 Football helmet with impact attenuation system

Patent Primary Examiner

‌

Ruth McInroy

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