DH

Donald J. Hilliker

WI Western Atlas International: 2 patents #1 of 26Top 4%
📍 Houston, TX: #87 of 987 inventorsTop 9%
🗺 Texas: #496 of 5,527 inventorsTop 9%
Overall (1994): #35,204 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

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