ALEXANDRIA, Va., July 7 -- United States Patent no. D1,132,795, issued on July 7, was assigned to Zhongshan QUNN Medical Equipment Co. Ltd (Zhongshan, China).

"Rollator walker" was invented by Weiguo Liu (Zhongshan, China).

The patent was filed on Oct. 28, 2024, under Application No. D/970,223.

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