ALEXANDRIA, Va., July 21 -- United States Patent no. D1,135,420, issued on July 21, was assigned to GUANGZHOU PRODIGY DAILY-PRODUCTION Co. LTD (Guangzhou, China).

"Playpen frame" was invented by Zhanpeng Liang (Guangzhou, China).

The patent was filed on Jan. 10, 2025, under Application No. D/983,654.

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