Llewellyn John Grundlingh

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Midrand, ZA

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Patents Grantslast 30 patents

Information Patent Grant
Conveyance device
- Patent number 8,261,669
- Issue date Sep 11, 2012
- Llewellyn John Grundlingh
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Conveyance Device
- Publication number 20090293753
- Publication date Dec 3, 2009
- Llewellyn John Grundlingh
- E21 - EARTH DRILLING MINING