QD

Qingfeng Duan

📍 Herndon, VA: #25 of 81 inventorsTop 35%
🗺 Virginia: #701 of 2,744 inventorsTop 30%
Overall (2011): #191,559 of 364,097Top 55%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7936951 System for document digitization — 2011-05-03