ALEXANDRIA, Va., Sept. 1 -- United States Patent no. D1,145,604, issued on Sept. 1, was assigned to HYUNDAI ELEVATOR Co. LTD (Chungju, South Korea).

"Operation button for elevator" was invented by Jin Sung Lee (Chungju, South Korea) and Sang Min Lee (Chungju, South Korea).

The patent was filed on April 18, 2025, under Application No. D/525,339.

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