Medical
| Thu 18 Sep 2025
Beijing, Sept. 18 -- State Intellectual Property Office of China has awarded a patent to Changzhou D Max Prec Drive Co Ltd for Gear Tooth Surface Grinding Device. Xi Haiyan, Tan Wei, Zhou Fei, Wang Ye, Cheng Kai, Yun Hongyuan, Ding Huaping, Shen Dan, Wu Yanfa, Lu Jun and Sun Kang developed the invention.
The patent applicatio..