ALEXANDRIA, Va., Nov. 18 -- United States Patent no. D1,102,493, issued on Nov. 18, was assigned to Dongguan Ortur Intelligent Technologies Co. Ltd. (Dongguan, China).
"Laser module of engraving machine" was invented by Weixu Zeng (Xinhua, China).
The patent was filed on Sept. 2, 2022, under Application No. D/852,014.
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