BL

Bill Hongwen Lyu

📍 Qingdao, CN: #41 of 170 inventorsTop 25%
Overall (2018): #474,610 of 503,207Top 95%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9926857 One safety control device for petrol post hole digger — 2018-03-27