Clayton Griffin

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Seal assembly for a casing hanger
- Patent number 8,870,186
- Issue date Oct 28, 2014
- Vetco Gray Inc.
- Chau Hoang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Seal Assembly For A Casing Hanger
- Publication number 20140062025
- Publication date Mar 6, 2014
- Vetco Gray Inc.
- Chau Hoang
- E21 - EARTH DRILLING MINING