JL

Jianfeng Liu

Overall (2022): #404,028 of 548,613Top 75%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11371313 Hard-sealing soluble bridge plug Ruijie Pang, Jiangping Li, Renjin Chen, Maoyong Zhou, Fuzeng Pang 2022-06-28