OF

Orville B. Francis

UE Unit Rig & Equipment: 1 patents #7 of 24Top 30%
📍 Claremore, OK: #117 of 228 inventorsTop 55%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #4,109,859 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4197662 Means for driving the back walls of a bucket excavator Hubert J. McAulay 1980-04-15