DC

Derrick Harlan Campbell

📍 Brentwood, MD: #4 of 7 inventorsTop 60%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #3,177,964 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8548907 System for converting paper money orders to electronic money orders — 2013-10-01