ALEXANDRIA, Va., March 31 -- United States Patent no. D1,120,991, issued on March 31, was assigned to DN Solutions Co. LTD. (Changwon, South Korea).
"Machine center" was invented by Heedong Son (Changwon, South Korea) and Yeji An (Changwon, South Korea).
The patent was filed on March 19, 2025, under Application No. D/994,200.
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