XR

Xiao Feng Ren

Overall (2023): #203,606 of 537,848Top 40%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11756306 Anti-drowning safety alarm method and device for swimming pool Xin Xie, Yu Guo, Dong Guo, Zhen Wang, Jian Zhang +1 more 2023-09-12