ALEXANDRIA, Va., Nov. 25 -- United States Patent no. D1,103,293, issued on Nov. 25, was assigned to Zhejiang feiyuan Technology Co. Ltd (Hangzhou, China).
"Square tube puzzle insert toy" was invented by Xueliang Wang (Jiaxing, China), Yiye Fei (Jiaxing, China), Guowei Shen (Jiaxing, China), Jiezhi Huang (Jiaxing, China) and Haifeng Shen (Jiaxing, China).
The patent was filed on Oct. 20, 2022, under Application No. D/857,172.
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