DU

David Underwood

UE US Dept of Energy: 1 patents #1,355 of 5,099Top 30%
📍 Naperville, IL: #1,350 of 3,051 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,034,965 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9116315 Shielded barrel Harold Y. Walker, Jr., Paul M. Hamilton 2015-08-25
5198674 Particle beam generator using a radioactive source — 1993-03-30