ALEXANDRIA, Va., June 4 -- United States Patent no. D1,077,494, issued on June 3, was assigned to PATRA Co. LTD. (Yongin-si, South Korea).
"Chair" was invented by Changgon Lee (Seoul, South Korea) and Sang Kook Han (Seoul, South Korea).
The patent was filed on Aug. 14, 2023, under Application No. D/899,856.
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