EH

Edward Hemphill

HY Hydril: 2 patents #2 of 11Top 20%
📍 Houston, TX: #148 of 1,302 inventorsTop 15%
🗺 Texas: #1,114 of 8,709 inventorsTop 15%
Overall (2003): #69,145 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6554247 Quick release blowout preventer bonnet Michael Wayne Berckenhoff 2003-04-29
6510897 Rotational mounts for blowout preventer bonnets — 2003-01-28