ALEXANDRIA, Va., June 12 -- United States Patent no. D1,074,764, issued on May 13, was assigned to Shenzhen Wanjiang Digital Technology Co. Ltd. (Shenzhen, China).
"Engraving machine" was invented by Mingli Li (Yueyang, China).
The patent was filed on Nov. 19, 2024, under Application No. D/973,962.
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