DH

Danny L. Havelka

VG Vetco Gray: 2 patents #100 of 364Top 30%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,071,582 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8440034 System, method, and apparatus for pre-tensioned pipe for load-sharing with composite cover Joseph W. Pallini, Fife B. Ellis, Brian N. Munk 2013-05-14
7896998 System, method, and apparatus for pre-tensioned pipe for load-sharing with composite cover Joseph W. Pallini, Fife B. Ellis, Brian N. Munk 2011-03-01