ALEXANDRIA, Va., May 5 -- United States Patent no. D1,124,742, issued on May 5, was assigned to Henan Huanzhong Network Technology Co. Ltd. (Zhengzhou, China).
"Retractable handrail" was invented by Xutao Teng (Ruzhou, China).
The patent was filed on Jan. 17, 2025, under Application No. D/985,774.
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