DH

David A. Homan

General Motors: 1 patents #107 of 586Top 20%
📍 Centerville, OH: #10 of 40 inventorsTop 25%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #122,928 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856554 Vacuum check valve and method of control Donald L. Heffner, Dennis G. Merical 1989-08-15