DH

Donald E. Hoffman

General Motors: 1 patents #107 of 586Top 20%
📍 Canton, MI: #15 of 39 inventorsTop 40%
🗺 Michigan: #694 of 3,452 inventorsTop 25%
Overall (1989): #119,543 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4828018 Motor vehicle air conditioning and heating system with bi-level mode — 1989-05-09