US Patent D853652 Safety helmet

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D8536520

Patent Inventor Names

Chang-Hsien Ho0

Date of Patent

July 9, 2019

Patent Application Number

296152310

Date Filed

August 28, 2017

Patent Citations Received

‌

US Patent D1000715 Lighted hard hat

‌

US Patent D1040434 Riding helmet

‌

US Patent D1039767 Riding helmet

‌

US Patent D992218 Safety helmet

Patent Primary Examiner

‌

Ruth McInroy

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