DK

David A. Kopf

UE US Dept of Energy: 1 patents #1,355 of 5,099Top 30%
📍 Chicago, IL: #5,168 of 13,327 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,265,277 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5825830 Method and apparatus for the compression of audio, video or other data 1998-10-20
4303864 Sextupole system for the correction of spherical aberration Albert V. Crewe 1981-12-01