ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,097,717, issued on Oct. 14, was assigned to XIAMEN CITY SPARK TECH. Co. LTD. (Fujian, China).
"Cooler bag" was invented by Ling Wang (Fujian, China).
The patent was filed on Nov. 24, 2023, under Application No. D/918,069.
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