ALEXANDRIA, Va., July 16 -- United States Patent no. D1,084,586, issued on July 15, was assigned to QINGDAO HUATIAN HAND TRUCK Co. LTD. (Qingdao, China).
"Outrigger for trolley" was invented by Zhijun Liu (Qingdao, China).
The patent was filed on June 15, 2022, under Application No. D/842,677.
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