Michael F. Krejci

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Crosby, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Computer controlled downhole tools for production well control
- Patent number 5,868,201
- Issue date Feb 9, 1999
- Baker Hughes Incorporated
- Terry R. Bussear
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tools for production well control
- Patent number 5,706,892
- Issue date Jan 13, 1998
- Baker Hughes Incorporated
- William E. Aeschbacher
- E21 - EARTH DRILLING MINING