Ole Gjerstad

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Drammen, NO

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Patents Grantslast 30 patents

Information Patent Grant
Tubular joint
- Patent number 9,488,302
- Issue date Nov 8, 2016
- Vetco Gray Scandinavia AS
- Ole Gjerstad
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TUBULAR JOINT
- Publication number 20130285369
- Publication date Oct 31, 2013
- Vetco Gray Scandinavia AS
- Ole Gjerstad
- G01 - MEASURING TESTING