Michael J. Dietrich

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Katy, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for rotating downhole tool in wellbore
- Patent number 5,454,420
- Issue date Oct 3, 1995
- Marathon Oil Company
- Philip M. Snider
- E21 - EARTH DRILLING MINING
Information Patent Grant
Inflatable packer assembly
- Patent number 5,297,633
- Issue date Mar 29, 1994
- Philip M. Snider
- E21 - EARTH DRILLING MINING