DF

David Francis Fritz

IBM: 2 patents #32,839 of 70,183Top 50%
📍 Raleigh, NC: #2,960 of 6,378 inventorsTop 50%
🗺 North Carolina: #18,756 of 45,564 inventorsTop 45%
Overall (All Time): #2,197,315 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6503006 Variable power thermal printer Sharon Freedman, Robert W. Kruppa, Robert D. Yoder 2003-01-07
6234695 Variable power thermal printer Sharon Freedman, Robert W. Kruppa, Robert D. Yoder 2001-05-22