CG

Chunping Guo

Overall (2018): #461,476 of 503,207Top 95%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10072697 Dual-prevention lock device for locking a screw and a method for locking the screw 2018-09-11