Orien M. Knight

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Joshua, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Downhole logging and servicing system with manipulatable logging an...
- Patent number 4,697,638
- Issue date Oct 6, 1987
- Gearhart Industries, Inc.
- Orien M. Knight
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill string sub with self closing cable port valve
- Patent number 4,506,729
- Issue date Mar 26, 1985
- Exxon Production Research Co.
- Albert P. Davis
- E21 - EARTH DRILLING MINING