ALEXANDRIA, Va., June 9 -- United States Patent no. D1,072,579, issued on April 29, was assigned to Ningbo Shijia Cleaning Tools Co. Ltd. (Ningbo, China).
"Airtight food storage container" was invented by Siwen Wang (Zhejiang, China).
The patent was filed on July 6, 2022, under Application No. D/845,296.
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