JH

James A. Hamburg

General Motors: 1 patents #9,361 of 18,328Top 55%
📍 Southfield, MI: #497 of 906 inventorsTop 55%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #4,080,133 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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