ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,140,657, issued on Aug. 11, was assigned to NINGBO LISI HOUSEWARE Co. LTD. (Ningbo, China).
"Lunch box" was invented by Li Lixin (Ningbo, China).
The patent was filed on April 22, 2024, under Application No. D/938,554.
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