DH

Donald J. Hilliker

WI Western Atlas International: 2 patents #77 of 314Top 25%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,295,682 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5357481 Borehole logging tool Robert A. Lester, Paul G. Junghans, Mathew G. Schmidt, Jose Casarsa, Gregory J. Wilkinson 1994-10-18
5329235 Method for processing signals from an MWD electromagnetic resistivity logging tool Qiang Zhou, David F. Norwood 1994-07-12