David Yan Lap Wong

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Orientation sensing apparatus and a method for determining an orien...
- Patent number 7,685,732
- Issue date Mar 30, 2010
- Halliburton Energy Services, Inc.
- Evan L. Davies
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Orientation Sensing Apparatus and a Method For Determining an Orien...
- Publication number 20080201969
- Publication date Aug 28, 2008
- Halliburton Energy Services, Inc.
- Evan L. Davies
- E21 - EARTH DRILLING MINING