Chester S. McVay

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Carrollton, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Annular pressure relief collar
- Patent number 7,191,830
- Issue date Mar 20, 2007
- Halliburton Energy Services, Inc.
- Chester S. McVay
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Annular pressure relief collar
- Publication number 20050189107
- Publication date Sep 1, 2005
- Chester S. McVay
- E21 - EARTH DRILLING MINING