Stephen Wayland Smith

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Dhahran, SA

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Patents Grantslast 30 patents

Information Patent Grant
Partially retrievable safety valve
- Patent number 8,800,668
- Issue date Aug 12, 2014
- Saudi Arabian Oil Company
- Brett Wayne Bouldin
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Partially Retrievable Safety Valve
- Publication number 20120199367
- Publication date Aug 9, 2012
- Saudi Arabian Oil Company
- Brett Wayne Bouldin
- E21 - EARTH DRILLING MINING