ALEXANDRIA, Va., Aug. 20 -- United States Patent no. D1,089,660, issued on Aug. 19, was assigned to Guangzhou Tuyue Technology Co. Ltd. (Guangzhou, China).
"Dental whitening device" was invented by Junping Tang (Changde, China).
The patent was filed on Aug. 25, 2023, under Application No. D/900,830.
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