DQ

Duan Qingling

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,949,856 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

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