Gregory Christopher Grosz

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Katy, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Pipe stand transfer systems and methods
- Patent number 8,317,448
- Issue date Nov 27, 2012
- National-Oilwell Varco, L.P.
- John Benjamin Hankins
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PIPE STAND TRANSFER SYSTEMS AND METHODS
- Publication number 20100303586
- Publication date Dec 2, 2010
- John Benjamin Hankins
- E21 - EARTH DRILLING MINING