ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,140,840, issued on Aug. 11, was assigned to SHENZHEN CARKU TECHNOLOGY Co. Ltd. (Shenzhen, China).
"Combined energy storage and power supply device" was invented by Yun Lei (Shenzhen, China), Zhifeng Zhang (Shenzhen, China) and Qiashen Yan (Shenzhen, China).
The patent was filed on Dec. 26, 2024, under Application No. D/980,725.
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