Medical
| Tue 04 Feb 2025
Beijing, Feb. 5 -- State Intellectual Property Office of China has awarded a patent to Shanghai No. 4 People's Hospital for portable sputum aspirator. Yang Ling, Qin Xiaoling, Qu Ruyi, Yang Keke, Qi Xiaodong, Liu Tingting, Fan Wenjing, Sun Chao, Chen Shu-Lin and Wei Xueli developed the invention.
The patent application number..