DQ

Diqing Qiu

UN Unknown: 2 patents #120 of 3,590Top 4%
Overall (2019): #177,756 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10472222 Double cooled draft beer machine Dilin Qiu 2019-11-12
10288345 Water cooled draft beer machine Dilin Qiu 2019-05-14