Joseph L. Frederick

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Cleveland, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Position instrumented blowout preventer
- Patent number 5,407,172
- Issue date Apr 18, 1995
- Hydril Company
- Kenneth D. Young
- E21 - EARTH DRILLING MINING
Information Patent Grant
Position instrumented blowout preventer
- Patent number 5,320,325
- Issue date Jun 14, 1994
- Hydril Company
- Kenneth D. Young
- E21 - EARTH DRILLING MINING