Marvin A. Keller

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Bartlesville, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for deploying a wireline retrievable tool in a de...
- Patent number 6,138,764
- Issue date Oct 31, 2000
- Camco International, Inc.
- Kevin T. Scarsdale
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore cable protector
- Patent number 5,973,270
- Issue date Oct 26, 1999
- Camco International, Inc.
- Marvin A. Keller
- E21 - EARTH DRILLING MINING