ALEXANDRIA, Va., Jan. 13 -- United States Patent no. D1,109,029, issued on Jan. 13, was assigned to Foshan Ost Medical Equipment Technology Co. Ltd. (Foshan, China).
"Four wheeled rollator" was invented by Bin Wang (Foshan, China).
The patent was filed on July 11, 2024, under Application No. D/951,779.
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