ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,138,255, issued on Aug. 4, was assigned to Zhejiang Babyhood Baby Products Co. Ltd. (Taizhou, China).
"Learning tower" was invented by Guifang Chen (Taizhou, China).
The patent was filed on June 26, 2025, under Application No. D/010,169.
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