ALEXANDRIA, Va., June 19 -- United States Patent no. D1,080,039, issued on June 17, was assigned to Shenzhen Guanke Technologies Co. Ltd (Shenzhen, China).
"Grating plate" was invented by Qing Lan (Shenzhen, China), Shoubao Chen (Shenzhen, China), Bo Lei (Shenzhen, China), Jinliang Lei (Shenzhen, China) and Linjiang Wang (Shenzhen, China).
The patent was filed on Dec. 22, 2021, under Application No. D/820,560.
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