DF

David Frank

General Motors: 1 patents #77 of 373Top 25%
📍 Tempe, AZ: #52 of 191 inventorsTop 30%
🗺 Arizona: #614 of 2,228 inventorsTop 30%
Overall (2002): #235,649 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6422003 NOX catalyst exhaust feedstream control system Frank Ament, David Brown 2002-07-23