David Shearer

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West Midlands, GB

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Patents Grantslast 30 patents

Information Patent Grant
Drill element and associated equipment and methods
- Patent number 10,316,594
- Issue date Jun 11, 2019
- David Shearer
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DRILL ELEMENT AND ASSOCIATED EQUIPMENT AND METHODS
- Publication number 20150144360
- Publication date May 28, 2015
- David Shearer
- E21 - EARTH DRILLING MINING