Dewey Craig Compton

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Richmond, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Tubing hanger with ball valve
- Patent number 6,679,330
- Issue date Jan 20, 2004
- Kvaerner Oilfield Products, Inc.
- Dewey Craig Compton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing hanger with flapper valve
- Patent number 6,644,411
- Issue date Nov 11, 2003
- Kvaerner Oilfield Products, Inc.
- Dewey Craig Compton
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Tubing hanger with flapper valve
- Publication number 20020153143
- Publication date Oct 24, 2002
- Dewey Craig Compton
- E21 - EARTH DRILLING MINING