DZ

Donald Robert Ziemann

AT AT&T: 1 patents #419 of 1,481Top 30%
📍 Hillsboro, IL: #3 of 3 inventorsTop 100%
🗺 Illinois: #1,559 of 5,780 inventorsTop 30%
Overall (2003): #233,517 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, Douglas Craig Kroupa, Robert Allen Sherry 2003-07-01