ALEXANDRIA, Va., June 16 -- United States Patent no. D1,130,499, issued on June 16, was assigned to SHENZHEN TUOZHU TECHNOLOGY Co. LTD. (Shenzhen, China).

"3D printer" was invented by Zhilong Cheng (Shenzhen, China), Yun Zhao (Shenzhen, China) and Shuangdi Lu (Shenzhen, China).

The patent was filed on May 20, 2025, under Application No. D/525,348.

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