DP

David Pfenninger

📍 Carmel, IN: #585 of 1,387 inventorsTop 45%
🗺 Indiana: #10,625 of 33,936 inventorsTop 35%
Overall (All Time): #1,591,114 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6999714 Test administration system using the internet Chris Hester 2006-02-14
6996367 Test administration system using the internet Chris Hester 2006-02-07
6681098 Test administration system using the internet Chris Hester 2004-01-20