DQ

Duan Qingling

UN Unknown: 1 patents #373 of 3,359Top 15%
Overall (2017): #176,674 of 506,227Top 35%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9677238 Pneumatic floating fender with a plastic protection cover William W. Lee, Yu Guangfeng, Zhao Dianhua 2017-06-13