Roger Dale Brown

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Katy, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Blowout preventer monitor with trigger sensor and method of using same
- Patent number 9,428,994
- Issue date Aug 30, 2016
- National-Oilwell Varco, L.P.
- James Ray Landrith
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
BLOWOUT PREVENTER MONITOR WITH TRIGGER SENSOR AND METHOD OF USING SAME
- Publication number 20140311735
- Publication date Oct 23, 2014
- James Ray Landrith
- E21 - EARTH DRILLING MINING