ALEXANDRIA, Va., March 12 -- United States Patent no. D1,066,492, issued on March 11, was assigned to Shenzhen Yintu Technology Co. Ltd. (Shenzhen, China).
"Writing pad" was invented by Guopeng Zhang (Shenzhen, China).
The patent was filed on May 22, 2023, under Application No. D/892,683.
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