DP

Dan Pesek

HY Hydril: 1 patents #73 of 135Top 55%
Overall (All Time): #3,608,410 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6032742 Blowout preventer control system Jerry B. Tomlin, Charles P. Peterman 2000-03-07