DM

David R. McMahan

General Motors: 2 patents #45 of 586Top 8%
📍 Anderson, IN: #1 of 31 inventorsTop 4%
🗺 Indiana: #103 of 1,469 inventorsTop 8%
Overall (1989): #29,448 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4882660 Headlamp assembly Martin K. Liverance, Bartly A. Haydu 1989-11-21
4851976 Headlamp bulb retaining arrangement William E. Nagengast, John D. Geddie 1989-07-25