Edward G. Dew

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Woodlands, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Downhole fluid motor composite torque shaft
- Patent number 5,363,929
- Issue date Nov 15, 1994
- Conoco Inc.
- Jerry G. Williams
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well casing and well casing method
- Patent number 5,219,028
- Issue date Jun 15, 1993
- Conoco Inc.
- James W. Martin
- E21 - EARTH DRILLING MINING