Michael A. Unger

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Incremental annular choke
- Patent number 7,575,058
- Issue date Aug 18, 2009
- Baker Hughes Incorporated
- Juan P. Franco
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Incremental annular choke
- Publication number 20090014185
- Publication date Jan 15, 2009
- BAKER HUGHES INCORPORATED
- Juan P. Franco
- E21 - EARTH DRILLING MINING