ALEXANDRIA, Va., Aug. 6 -- United States Patent no. D1,087,238, issued on Aug. 5, was assigned to Shenzhen Dingshuo Intelligent Technology Co. Ltd. (Guangdong, China).
"Busy board" was invented by Zhibin Yang (Jiangxi, China).
The patent was filed on Jan. 22, 2024, under Application No. D/925,071.
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