ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,138,423, issued on Aug. 4, was assigned to SIDIZ INC. (Pyeongtaek-si, South Korea).
"Backrest frame for a chair" was invented by Ah Reum Lee (Seoul, South Korea).
The patent was filed on Jan. 9, 2025, under Application No. D/983,331.
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