ALEXANDRIA, Va., Sept. 17 -- United States Patent no. D1,093,602, issued on Sept. 16, was assigned to Dongguan Mingchuang Youshang Electronic Technology Co. Ltd. (Dongguan, China).
"Oral waterjet" was invented by Qingqing Tian (Dongguan, China).
The patent was filed on May 7, 2024, under Application No. D/941,002.
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