ALEXANDRIA, Va., March 19 -- United States Patent no. D1,067,070, issued on March 18, was assigned to Shenzhen Fast To Buy Commerce Co. LTD. (Shenzhen, China).
"Digital display unit of grating" was invented by Lin Wu (Shenzhen, China) and Jianrong Wu (Shenzhen, China).
The patent was filed on April 4, 2023, under Application No. D/888,696.
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