ALEXANDRIA, Va., July 14 -- United States Patent no. D1,133,879, issued on July 14, was assigned to Shenzhen Yihong Holding Group Co. Ltd. (Shenzhen, China).

"Curtain rod" was invented by Chunlong Qiu (Shenzhen, China) and Qingting Wu (Shenzhen, China).

The patent was filed on Aug. 29, 2025, under Application No. D/020,597.

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