DH

Douglas R. Hamburg

Ford: 2 patents #39 of 650Top 6%
📍 Birmingham, MI: #3 of 55 inventorsTop 6%
🗺 Michigan: #358 of 4,492 inventorsTop 8%
Overall (1997): #42,018 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5653104 Engine air/fuel control system with adaptively alignment of a catalytic converter's peak efficiency window Dennis Craig Reed 1997-08-05
5598703 Air/fuel control system for an internal combustion engine Dennis Craig Reed 1997-02-04