ALEXANDRIA, Va., Jan. 20 -- United States Patent no. D1,109,954, issued on Jan. 20, was assigned to Shenzhen Spinach Trend Technology Co. Ltd. (Shenzhen, China).
"Ultrasonic cleaner" was invented by Yang Zhuang (Shanwei, China) and Xiaoping Xiao (Shenzhen, China).
The patent was filed on Sept. 25, 2023, under Application No. D/912,855.
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