DE

David Evans

General Motors: 1 patents #53 of 337Top 20%
📍 Rochester, MI: #6 of 38 inventorsTop 20%
🗺 Michigan: #416 of 1,972 inventorsTop 25%
Overall (1982): #70,830 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4309971 Adaptive air/fuel ratio controller for internal combustion engine Alan F. Chiesa, James R. Norford, John A. Zahorchak 1982-01-12