DH

Darrell J. Hadley

📍 Oklahoma City, OK: #16 of 68 inventorsTop 25%
🗺 Oklahoma: #176 of 787 inventorsTop 25%
Overall (2004): #239,736 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6821438 Apparatus and method for increasing oxygen levels in a liquid Jeffrey D. Hadley, William R. Rey, Geir O. Eriksen 2004-11-23