ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,116, issued on Dec. 2, was assigned to Zhejiang Province Institute of Metrology (Hangzhou, China) and Hangzhou Aihua Instruments Co. Ltd (Hangzhou, China).

"Device for remote online detection of environmental noise monitoring system" was invented by Zhikai Zhang (Zhejiang, China), Shan He (Zhejiang, China), Kaifan Zhang (Zhejiang, China), Gaofeng Luo (Zhejiang, China), Shuaijun Sang (Zhejiang, China), Jing Zhang (Zhejiang, China), Mingjun Cheng (Zhejiang, China), Minghua Xiong (Zhejiang, China), Delin Wu (Zhejiang, China), Huanhuan Zhang (Zhejiang, China), Jianmin Qiu (Zhejiang, China), Yaozu Li (Zhejiang, China), Shenping Gao (Zhejiang, China) and Xuezhen Kan (Zhejiang, China).

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