QC

Qingshun Chen

📍 Zhuhai, CN: #19 of 77 inventorsTop 25%
Overall (2017): #276,340 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D799489 Pen for three-dimensional printing Yannan Yang 2017-10-10