US Patent 8757184 Multi-folded full-automatic opening-closing umbrella

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

87571840

Patent Inventor Names

Mei-Ping Lin0

Chiung-Wen Yeh0

Hsuanyuan Chen0

Wangshu-O Chen0

Date of Patent

June 24, 2014

Patent Application Number

140005810

Date Filed

July 1, 2011

Patent Citations Received

‌

US Patent 11910891 Umbrella system

‌

US Patent 11910890 Umbrella system

Patent Primary Examiner

‌

Winnie Yip

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