ALEXANDRIA, Va., March 12 -- United States Patent no. D1,066,517, issued on March 11, was assigned to Shenzhen LiFan Technology Co. LTD. (Shenzhen, China).
"Math fidget spinner" was invented by Fei Qin (Hechi, China).
The patent was filed on July 3, 2024, under Application No. D/950,493.
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