ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,995, issued on Aug. 4, was assigned to Guangdong Byall Medical Technology Co. Ltd. (Foshan, China).
"Microneedling stamp" was invented by Guihua Chen (Foshan, China).
The patent was filed on Dec. 13, 2024, under Application No. D/978,531.
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