ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,310, issued on April 14, was assigned to Shenzhen Tuozhu Technology Co. Ltd. (Shenzhen, China).
"3D printer" was invented by Yun Zhao (Shenzhen, China) and Xuxiang Ying (Shenzhen, China).
The patent was filed on Oct. 17, 2023, under Application No. D/905,115.
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