DR

David J. Rohweller

VG Vetco Gray: 1 patents #7 of 24Top 30%
📍 Ojai, CA: #1 of 8 inventorsTop 15%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #121,885 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4813496 Drill ahead tool Joseph W. Pallini 1989-03-21