ALEXANDRIA, Va., Aug. 18 -- United States Patent no. D1,142,656, issued on Aug. 18, was assigned to SHENZHEN ELECTRON TECHNOLOGY Co. LTD. (Shenzhen, China).
"Digital signage" was invented by Cheng Zhuang (Shenzhen, China) and Yonghong Li (Shenzhen, China).
The patent was filed on Aug. 19, 2025, under Application No. D/018,931.
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