ALEXANDRIA, Va., Sept. 8 -- United States Patent no. D1,146,847, issued on Sept. 8, was assigned to Shenzhen Xiujie Technology Co. Ltd. (Shenzhen, China).

"Button controller" was invented by Yaxin Liu (Shenzhen, China).

The patent was filed on July 2, 2025, under Application No. D/011,352.

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