ZK

Zhao Kong

Overall (2019): #100,791 of 560,194Top 20%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10260387 Engine oil supply system Ning Guo, Gan Chen, Keya Feng 2019-04-16
10260475 Internal combustion engine and garden tool Hong-Lin Chen 2019-04-16