ALEXANDRIA, Va., Sept. 1 -- United States Patent no. D1,145,990, issued on Sept. 1.

"Air humidifier" was invented by Shaoquan Lu (Chongqing City, China), Longteng Zhang (Chongqing City, China), Mumian Wang (Chongqing City, China), Yong Hou (Chongqing City, China) and Jiajia Qian (Chongqing City, China).

The patent was filed on Aug. 27, 2025, under Application No. D/526,731.

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