XJ

Xiaoping Ji

Overall (2020): #107,147 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10767959 Device and method of recoil reduction for air guns Yecheng Wu, Xiaoqiang Sheng, Shengping Zeng, Fuying Ji, Ye Sun +1 more 2020-09-08
10760873 Gear-type air rifle slide stop structure Wei Sun, Yecheng Wu, Xiaoqiang Shen, Guohua Jin, Dingfu Tang +1 more 2020-09-01