ALEXANDRIA, Va., Jan. 20 -- United States Patent no. D1,109,536, issued on Jan. 20, was assigned to Huizhou Yunda Power Electronic Technology Co. Ltd. (Huizhou, China).
"Power scrubber" was invented by Qishun Pan (Shaoguan, China) and Qiwei Pan (Shaoguan, China).
The patent was filed on May 16, 2024, under Application No. D/942,697.
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