DF

Douglas A. Feldmaier

General Motors: 1 patents #53 of 337Top 20%
📍 Bloomfield Hills, MI: #12 of 48 inventorsTop 25%
🗺 Michigan: #416 of 1,972 inventorsTop 25%
Overall (1982): #68,922 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4364260 Engine with knock sensing apparatus having multiple frequency tuning Francis H. Chen, James A. Hamburg 1982-12-21