ALEXANDRIA, Va., July 7 -- United States Patent no. D1,133,043, issued on July 7, was assigned to Zhejiang Top Teaching Holding Group Co. Ltd. (Jiaxing, China).
"Magnetic building block" was invented by Yiye Fei (Jiaxing, China).
The patent was filed on Aug. 29, 2022, under Application No. D/851,392.
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