ALEXANDRIA, Va., June 5 -- United States Patent no. D1,070,990, issued on April 15, was assigned to Fuzhou Cangshan District Qingtao Trading Co. Ltd. (Fuzhou, China).
"Playing surface for spinning top toy" was invented by Zhiyong Lin (Fuzhou, China).
The patent was filed on Jan. 20, 2024, under Application No. D/924,795.
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