Mathias Mueller

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Hordaland, NO

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Patents Grantslast 30 patents

Information Patent Grant
Expandable reamer apparatus for enlarging subterranean boreholes an...
- Patent number 7,549,485
- Issue date Jun 23, 2009
- Baker Hughes Incorporated
- Steven R. Radford
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Expandable reamer apparatus for enlarging subterranean boreholes an...
- Publication number 20050145417
- Publication date Jul 7, 2005
- Steven R. Radford
- E21 - EARTH DRILLING MINING