DD

Daryl K. Duvall

OU Oxy Usa: 1 patents #2 of 17Top 15%
📍 Oklahoma City, OK: #739 of 1,463 inventorsTop 55%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,814,554 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5176216 Bypass seating nipple John P. Slater 1993-01-05