Timothy W. Marriott

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Medicine Hat, CA

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Patents Grantslast 30 patents

Information Patent Grant
Reverse circulation cementing process
- Patent number 7,013,971
- Issue date Mar 21, 2006
- Halliburton Energy Services, Inc.
- James E. Griffith
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Reverse circulation cementing process
- Publication number 20040231846
- Publication date Nov 25, 2004
- James E. Griffith
- E21 - EARTH DRILLING MINING