Donald J. Hilliker

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Borehole logging tool
- Patent number 5,357,481
- Issue date Oct 18, 1994
- Western Atlas International, Inc.
- Robert A. Lester
- G01 - MEASURING TESTING
Information Patent Grant
Method for processing signals from an MWD electromagnetic resistivi...
- Patent number 5,329,235
- Issue date Jul 12, 1994
- Western Atlas International, Inc.
- Qiang Zhou
- G01 - MEASURING TESTING