ALEXANDRIA, Va., Feb. 11 -- United States Patent no. D1,111,499, issued on Feb. 10, was assigned to Zhongshan Bliss Medical Instrument Co. Ltd (Zhongshan, China).

"Folding stool" was invented by Kongzhang Mao (Guangdong, China).

The patent was filed on Jan. 30, 2024, under Application No. D/926,314.

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