SZ

Shengping Zeng

Overall (2020): #271,593 of 565,922Top 50%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10767959 Device and method of recoil reduction for air guns Xiaoping Ji, Yecheng Wu, Xiaoqiang Sheng, Fuying Ji, Ye Sun +1 more 2020-09-08