DC

Dewey Craig Compton

KA Kvaerner Oilfield Products A.S.: 2 patents #4 of 49Top 9%
📍 Richmond, TX: #261 of 594 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,186,387 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6679330 Tubing hanger with ball valve Edwin R. Knerr 2004-01-20
6644411 Tubing hanger with flapper valve Edwin R. Knerr 2003-11-11