RM

Ronald R. Massie

UE Unit Rig & Equipment: 1 patents #7 of 24Top 30%
📍 Tulsa, OK: #1,272 of 2,344 inventorsTop 55%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,931,543 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4843910 Pinion gear speed disc brake Frederick W. Loeber, Terrence L. Doden 1989-07-04