DK

Douglas Craig Kroupa

AT AT&T: 1 patents #419 of 1,481Top 30%
📍 Lisle, IL: #17 of 47 inventorsTop 40%
🗺 Illinois: #1,559 of 5,780 inventorsTop 30%
Overall (2003): #234,660 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6587545 System for providing expanded emergency service communication in a telecommunication network James T. Antonucci, Brian Glen Barnier, Lawrence W. Ciesla, Robert Allen Sherry, Donald Robert Ziemann 2003-07-01