DB

Darrell W. Bell

📍 Kellyville, OK: #6 of 8 inventorsTop 75%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,860,540 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5152259 Cylinder head for internal combustion engine — 1992-10-06