DE

David Efergan

DR Digital River: 2 patents #13 of 72Top 20%
📍 Highland Park, IL: #250 of 599 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,050,861 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8874487 Software wrapper having use limitation within a geographic boundary Joel A. Ronning, Pete Olson, Amir Rauf 2014-10-28
8732841 Software license server with geographic location validation Joel A. Ronning, Pete Olson, Amir Rauf 2014-05-20