Douglas MACLEAN

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Ardrossan, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for measuring borehole mud resistivity
- Patent number 8,860,415
- Issue date Oct 14, 2014
- Sondex Wireline Limited
- Scott Kennedy
- G01 - MEASURING TESTING
Information Patent Grant
Composite material structures having reduced signal attenuation
- Patent number 5,988,300
- Issue date Nov 23, 1999
- LWT Instruments, Inc.
- Daniel Guy Pomerleau
- E21 - EARTH DRILLING MINING
Information Patent Grant
Composite material structures having reduced signal attentuation
- Patent number 5,944,124
- Issue date Aug 31, 1999
- LWT Instruments, Inc.
- Dan Pomerleau
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Measuring Borehole Mud Resistivity
- Publication number 20120299596
- Publication date Nov 29, 2012
- SONDEX LIMITED
- Scott KENNEDY
- G01 - MEASURING TESTING