David Jenner

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Aberdeen, GB

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Patents Grantslast 30 patents

Information Patent Grant
Flow control apparatus and method
- Patent number 8,863,848
- Issue date Oct 21, 2014
- Petrowell Limited
- Andrew Elrick
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD
- Publication number 20120031623
- Publication date Feb 9, 2012
- Andrew Elrick
- E21 - EARTH DRILLING MINING