DD

Darlene S. Duncan

📍 Petersburg, VA: #32 of 68 inventorsTop 50%
🗺 Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #3,682,903 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5746603 Narcotics flash cards Kenneth C. Foster 1998-05-05