EM

Edward J. McFadden

BJ Bj-Hughes: 1 patents #7 of 19Top 40%
HC Hughes Tool Company: 1 patents #83 of 224Top 40%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,357,256 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4438910 Shock absorbing snubber for derrick hooks — 1984-03-27
4361940 Slip-type elevator locking mechanism — 1982-12-07