ALEXANDRIA, Va., Aug. 6 -- United States Patent no. D1,087,506, issued on Aug. 5.
"Ultrasonic cleaner" was invented by Fangmeng Han (Shenzhen, China) and Qimu Liang (Shenzhen, China).
The patent was filed on Sept. 8, 2023, under Application No. D/911,780.
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